33 results about "Geological compass" patented technology

The invention relates to a measurement precision correction method for a digital geological compass. The method comprises the following steps: determining the magnetic field stability of a target position according to the difference between total magnetic field intensities in a first interval; determining a magnetic field interference coefficient at the moment according to a difference value between the total magnetic field intensity at each moment and the total magnetic field intensity at the target moment; determining the integrating degree of the point source model at the previous moment according to the difference between the magnetic field interference coefficients at each adjacent moment and the duration of the interval between each adjacent moment and the initial moment; determining a target duration according to the magnetic field interference coefficient in the second interval and the duration of the interval between each moment and the initial moment, and correcting the magnetic field data of each axis of the compass according to the target duration and the difference between the magnetic field data of each axis at the target moment and the magnetic field data of the axis in the first interval; and carrying out azimuth calibration on the compass according to the corrected magnetic field data of each axis and the longitude and latitude of the target position. The method can improve the accuracy of geological survey.

The utility model relates to the technical field of geological compasses, and discloses a geological mineral exploration compass which comprises a first protective sleeve, a second protective sleeve is arranged on the right side of the first protective sleeve, compass grooves are formed in the middles of the adjacent faces of the first protective sleeve and the second protective sleeve, and compass bodies are clamped in the two compass grooves. Second fixing columns are fixedly connected to the front side and the rear side of the compass body, sliding rods are fixedly connected to the right sides of the two second fixing columns, first fixing columns are fixedly connected to the front side and the rear side of the second protective sleeve, and second limiting rings are fixedly connected to the right sides of the two sliding rods. According to the utility model, under the mutual cooperation of the protective sleeve I, the protective sleeve II, the compass groove, the fixed column I, the fixed column II, the limiting ring I, the sliding rod, the limiting ring II and the spring I, the compass is protected, the compass is prevented from being damaged by external factors such as impact or falling, the service life of the compass is prolonged, and the normal work of the compass is ensured.

The present invention discloses a geological compass and a method for using the same. The compass comprises a compass box and a positioning assembly for detecting a position. The positioning assembly is installed in the compass box. The compass box comprises an observation port and an accuracy line. The observation port and the accuracy line are at the same height and are respectively arranged on the front and rear end surfaces of the compass box. The positioning assembly comprises a compass, a slope angle detector, a level and an adjustment assembly. When the geological compass is in use, the compass can simultaneously detect the azimuth and level of the location and the slope angle between the detected object and the detection point. At the same time, the azimuth and angle detected by the compass and the slope angle detector can be recorded by pressing a pressing adjustment mechanism or pulling a rotating adjustment mechanism.

The invention provides an adjustable optical aiming auxiliary device for a geological compass, which comprises a fixed seat, a movable seat is movably mounted at the top of the fixed seat, the movable seat is hinged to the fixed seat through a fixed hinge, fixed rods are fixed at the top of the movable seat, a movable block is movably mounted between the fixed rods, and the movable block is hinged to the fixed seat through a fixed hinge. A movable plate is movably mounted at one end of the movable block, a fixing groove is formed in one end of the movable plate, a fixing block is rotatably mounted in the fixing groove, and a mounting plate is welded to one end of the fixing block. When the device is used, the movable plate moves through the fixed block, the mounting plate is rotated after the movable plate moves, the aiming mechanism is mounted in the mounting hole after the mounting plate is rotated, the aiming mechanism and the marking arrow are vertically distributed in the same circle center straight line, and long-distance measurement is achieved through the aiming mechanism; and the limiting columns are matched with the mounting holes to realize limiting and fixing between the movable seat and the fixed seat.

The utility model discloses a multifunctional geological compass for solid mineral exploration, which relates to the technical field of solid mineral exploration and comprises a compass main body, a compass positioning pointer is arranged at the top of the compass main body, a long sighting device is hinged to the front side of the top of the compass main body, and a multifunctional compass cover is rotatably mounted on the rear side of the top of the compass main body. The multifunctional compass cover comprises a first functional cover, a second functional cover and a third functional cover, and according to the multifunctional compass, the multifunctional compass cover is arranged on the compass main body, so that various requirements in solid mineral exploration are met. In the exploration process, exploration personnel can quickly switch and use different functional covers according to actual conditions without carrying a plurality of independent tools, so that the exploration efficiency is improved, and when compass equipment is not used, the whole multifunctional disc cover and the compass main body are closed, a rubber band necking opening of the elastic protection bag is pulled open and is turned downwards to cover the compass main body, so that the compass equipment is convenient to use. Therefore, the compass main body is not easy to open automatically and is convenient to store.

The invention relates to the technical field of geological survey and surveying and mapping, and discloses an inclination angle measurement auxiliary mechanism in surveying and mapping engineering and a measurement method.The mechanism comprises a mounting base and a load-bearing base, a drop hammer located in a hollow cavity of a telescopic connecting rod is arranged on the side, facing the load-bearing base, of the bottom of the mounting base, and a first emitter is arranged at the bottom of the drop hammer; a first detector is arranged in the center of the bearing base; at least three groups of pressure sensors are uniformly distributed in the hollow cavity of the telescopic connecting rod and are relatively positioned on the peripheral side of the drop hammer; a second emitter is arranged on the first rigid supporting rod, and second detectors are arranged at the positions, corresponding to the second emitter, of the second rigid supporting rod and the third rigid supporting rod; the inclination angle measurement auxiliary mechanism is used in cooperation with a geological compass, a surveying and mapping marker post or a geodetic surveying and mapping device, leveling in the horizontal direction and the vertical direction can be automatically achieved, a user does not need to manually operate in the inclination angle measurement process or do not need to subjectively feel to adjust the compass, the measurement workload is reduced, and the measurement precision is improved.

The invention relates to the technical field of geological exploration, in particular to a geological compass which comprises a compass assembly and a reflection assembly connected with the compass assembly. The lower air bag and the upper compression device are arranged on the surfaces of the compass assembly and the reflection assembly; according to the geological compass, extrusion structures are additionally arranged on the surface of the base and the surface of the upper cover of the geological compass, internal gas enters the locking assembly when the geological compass is extruded, the angle of the upper cover is locked, the rotation difficulty degree of the upper cover is controlled by controlling the extrusion force, and therefore the angle of the geological compass is locked. The angle of the upper cover can be conveniently fixed, so that the angle of the geological compass can be adjusted, and the rock stratum inclination can be conveniently measured.

The application relates to a measurement precision correction method for a digital geological compass. The method comprises the following steps: determining the magnetic field stability of a target position according to the difference between the total magnetic field strengths in a first interval; determining the magnetic field interference coefficient of each moment according to the difference between the total magnetic field strength of each moment and the total magnetic field strength of a target moment; determining the point source model fitting degree of a previous moment according to the difference between the magnetic field interference coefficients of each adjacent moment and the time length interval between each adjacent moment and an initial moment; determining a target time length according to the magnetic field interference coefficients in a second interval and the time length interval between each moment and the initial moment, and correcting the magnetic field data of each axis of the compass according to the difference between the magnetic field data of each axis of the target moment and the magnetic field data of the axis in the first interval and the target time length; and performing azimuth calibration on the compass according to the corrected magnetic field data of each axis and the latitude and longitude of the target position. The method can improve the accuracy of geological measurement.

The utility model discloses a geological compass for geological mineral exploration, which comprises a compass body, a cover body, a magnifying glass component and a nicking tool component, and the cover body is hinged with the compass body; the magnifying lens assembly comprises a first sliding groove, a first sliding block and a convex lens. The nicking tool assembly comprises a second sliding groove, a second sliding block and a blade, the second sliding groove is fixed in the cover body, and the second sliding block is arranged in the second sliding groove in a sliding mode. The geological compass has the beneficial effects that the functions of the magnifying lens and the nicking tool are integrated in the cover body, so that the design of integrating multiple functions is realized, the practicability of the geological compass for geological mineral exploration is improved, and the magnifying lens assembly and the nicking tool assembly are designed in the cover body and extend and retract in a sliding manner, so that the geological compass is convenient to use. Therefore, the whole geological compass for geological mineral exploration is more compact and portable in structure. When the magnifying lens assembly and the nicking tool assembly are not used, the magnifying lens assembly and the nicking tool assembly can be retracted into the cover body, and omission or loss of the blade or the convex lens is avoided.

The utility model discloses a novel geological compass for geological mineral exploration, which comprises a geological compass and an anti-drop box, the geological compass is movably connected to the inner cavity of the anti-drop box, the left side and the right side of the anti-drop box are movably connected with square shells, and the inner cavities of the square shells are movably connected with extrusion control plates. Through cooperative use of the clamping device, the square clamping block, the square stabilizing shell, the spring and the square stabilizing rod, the problem that an existing novel geological compass for geological mineral exploration is a geological exploration tool integrating multiple advanced technologies and has multiple functions of azimuth and inclination angle measurement, laser inclination measurement, GPS positioning and the like is solved; the problems that in the prior art, geological work is usually carried out in a severe environment, so that a geological compass needs to have good durability and drop resistance, the geological compass belongs to a precise instrument and is easy to damage if falling off, but an existing novel geological compass used for geological mineral exploration is not provided with a component for drop resistance and protection are solved.

The invention discloses a device for placing a test probe in a drill hole and a using method. The device comprises a supporting platform, a geological compass is fixedly mounted on the supporting platform, a guide rod clamping device is rotationally mounted on the geological compass, and a first horizontal scale is further mounted on the geological compass; an azimuth angle pointer is arranged on the guide rod clamping device and is used for reading an azimuth angle through the azimuth angle pointer and scales on the geological compass; a guide rod is further installed on the guide rod clamping device, an orientator is installed at the end, extending into the drill hole, of the guide rod, and a probe is installed at the end, away from the guide rod, of the orientator. The device can be independently used for placing a test probe in a drill hole or a peeping camera in the drill hole, and can also be used for synchronously and integrally placing the test probe and the camera at the same time, so that the whole-process visual monitoring of the probe mounting process and the test process is realized, the probe placing efficiency and the probe placing quality are improved, and the labor intensity of workers is reduced. Meanwhile, parameters such as the inclination angle, the azimuth angle and the depth of a drill hole can be conveniently, rapidly and directly measured and read.

The utility model belongs to the technical field of geological exploration, and particularly relates to a geological compass for geological mineral exploration, which comprises a compass body, a cover plate is rotatably connected to the upper surface of the compass body, a mounting groove is arranged in the center of the compass body, an annular mounting groove is arranged on the inner wall of the mounting groove close to the upper surface of the compass body, and a lens is placed in the mounting groove. A quick separation mechanism is arranged in the compass body; according to the utility model, the lens can be easily detached by arranging the quick separating mechanism, so that a copper wire on the magnetic needle is maintained and replaced, the adjusting process of the compass body is greatly simplified, the working efficiency is improved, and the automatic resetting function of the pushing block is realized through the matched use of the spring and the positioning column; the device has the advantages of being easy to maintain and replace, high in practicability, easy and convenient to operate and the like, and can meet the requirement for high-precision measurement in the geological mineral exploration field.

The invention discloses a metal mineral exploration device and method, and relates to the technical field of metal mineral exploration. The device comprises a geological compass, a round level gauge and a long level gauge are arranged in the geological compass, an adjusting knob can drive the long level gauge to rotate, an arc-shaped sliding frame is rotatably mounted on the outer side of the geological compass, a guide rail sleeves the bottom of the arc-shaped sliding frame, and a hinge ball is arranged at the bottom of the guide rail. A hinged ball sleeve is hinged to the bottom of the hinged ball, and a bottom plate is fixedly connected to the bottom of the hinged ball sleeve. According to the geological compass, the sucker is matched with the adhesive tape, so that the bottom plate can be directly adhered to a rock, the geological compass can be directly adjusted on the rock, the trend, the inclination and the inclination angle can be measured by directly adjusting the geological compass on the original position, the measurement position uniformity is ensured, the sucker is directly separated from the adhesive tape after measurement, and measurement data can be recorded on the adhesive tape for data marking; and subsequent data comparison and analysis are facilitated.

The utility model relates to a geological compass for geological mineral exploration, which comprises a base, a sleeve is vertically arranged above the base, a lifting threaded column is in threaded connection in the sleeve, one end, far away from the sleeve, of the lifting threaded column is rotatably connected with a supporting disc, a mounting disc is arranged on the supporting disc, and a placing groove for placing the geological compass is formed in the mounting disc; a push handle is arranged above the base, wheel grooves are formed in the four corners of the lower end face of the base, wheel seats are arranged in the wheel grooves, pulleys located in the wheel grooves are rotationally connected to the wheel seats, two rotating rods are arranged on the base in the horizontal direction in a penetrating mode, and rotary knobs connected with the rotating rods are arranged on the base. When fixed-point exploration is needed, the base is placed at a fixed-point position, the lifting threaded column is rotated, the height position of the supporting disc is adjusted, when moving is needed, the rotary knob is rotated, the wheel seat is moved in the direction away from the wheel groove, the pulley is taken out of the wheel groove, the base is pushed through the push rod, and therefore moving exploration is conducted.

The utility model discloses a geological compass device for measuring high and long-distance fracture occurrence, which relates to the technical field of geological exploration and comprises a compass device box, a cavity is arranged on the side surface of the compass device box, and a laser transmitter, a rotating disc and a driving part are arranged in the cavity; the rotating disc is rotationally connected into the cavity, and the axis of the rotating disc is perpendicular to the front side surface of the compass device box; the laser transmitter is arranged at the eccentric position of the front side of the rotating disc; the laser emitter can emit fan-shaped laser rays, and the fan-shaped laser rays are perpendicular to the front side surface of the compass device box; the front side of the cavity is provided with a first opening for the laser transmitter to extend out; and the driving piece is used for driving the rotating disc to rotate, so that the laser transmitter circumferentially rotates at the first opening. And the trend and tendency of the crack can be obtained through the fan-shaped laser rays, so that the accurate occurrence of the measured surface can be provided, the safety of engineers is guaranteed, and scientific and safe scientific data is provided for geological exploration.

The utility model discloses a quick measuring device for rock stratum attitude in a hard area, which belongs to the technical field of instruments and meters and comprises an unmanned aerial vehicle body and a remote controller with a screen, a loading system is mounted at the bottom of the unmanned aerial vehicle body and comprises a driving mechanism and a measuring mechanism, the measuring mechanism comprises a shell, and an optical camera is mounted at the center of the front of the shell. A first laser radar, a second laser radar, a third laser radar and a fourth laser radar are respectively arranged at four corners in front of the shell, and an electronic compass is arranged at the bottom of the shell. According to the rapid measuring device for the rock stratum attitude in the hard area, the unmanned aerial vehicle technology is used for replacing a traditional mode that a geological compass is used for measuring the attitude manually; rapid and automatic measurement of rock masses in hard, high-risk and high-steep areas is achieved, people do not need to climb to a measurement area, personal safety is guaranteed, and working efficiency is improved; the unmanned aerial vehicle technology and the high-precision sensor are utilized, errors caused by manual attitude measurement are reduced, and the data accuracy is improved.

The invention relates to the technical field of geological compasses, and discloses a multifunctional geological compass for geological mineral exploration, the multifunctional geological compass comprises a compass body and a self-adaptive mechanism arranged at the bottom of the compass body, the self-adaptive mechanism is used for adapting to the actual concave-convex condition of the ground so as to enable the compass body to be horizontally arranged, and after the compass body is horizontally arranged, the self-adaptive mechanism is arranged on the bottom of the compass body. The compass body can be prevented from shaking; the compass body and the self-adaptive mechanism are integrated, during use, a relatively flat position is found, and the self-adaptive mechanism is placed at the position, so that on one hand, the self-adaptive mechanism can adapt to the concave-convex condition of the current position, the compass body is horizontally arranged, and the use accuracy of the compass body is improved; in the use process of the compass body, the self-adaptive mechanism can play a role in wind resistance, so that the influence of wind power on the compass body is reduced, and the use accuracy of the compass body is further improved.

The invention provides a multifunctional geological compass for geological mineral exploration, and mainly relates to the field of geological mineral exploration equipment. The invention discloses a multifunctional geological compass for geological mineral exploration. The multifunctional geological compass comprises a mechanical geological compass body and an intelligent integrated module, the mechanical geological compass body comprises a compass shell, and a dial, a magnetic needle, a spirit level and an inclination angle measuring mechanism which are arranged in the shell, and the intelligent integrated module is fixedly mounted on the outer side of the compass shell. The intelligent geological compass has the beneficial effects that the mechanical geological compass body and the intelligent integrated module are combined, digital acquisition and recording can be realized in a conventional environment, the two modes can be flexibly switched, and the intelligent geological compass is suitable for different exploration environment requirements.

The bracket comprises a protection box, sliding grooves are formed in the inner walls of the two sides of the protection box, lead screws are rotatably connected to the inner walls of the two sliding grooves, a lifting plate is in threaded connection to the surfaces of the two lead screws, a geological compass body is arranged on the upper surface of the lifting plate, and a geological compass is arranged on the geological compass body. A two-way motor and a storage battery are fixedly installed on the inner bottom wall of the protection box. According to the folding and benefiting compass support for hydrogeological surveying and mapping, in the actual use process, a bidirectional motor can be controlled to rotate through a controller, the bidirectional motor rotates to drive a lead screw to rotate through a bevel gear, and the lead screw rotates to drive a lifting plate to move upwards, so that a geological compass body is moved out of a protection box to be used; meanwhile, after the geological compass is used, the bidirectional motor can be started to rotate reversely, so that the geological compass body is driven to retract into the protection box, and the geological compass body is effectively protected.

The utility model discloses a notch groove sampling contour marking ruler, which comprises an L-shaped fixed frame and a geological compass, the geological compass is mounted on one side of the outer wall of the fixed frame in a sliding and rotating manner and is detachably connected with the fixed frame, and the fixed frame comprises a fixed block and first extension rulers respectively arranged at the upper end and the side wall of the fixed block. The outer wall of each first extension scale is slidably connected with a sliding assembly sliding in the length direction of the first extension scale in a matched mode, the outer wall of each sliding assembly is provided with a second extension scale, the two second extension scales are arranged in a front-back staggered mode, and the sides, close to each other, of the outer walls of the two second extension scales are inwards provided with sliding grooves formed in the length direction of the second extension scales. The inner walls of the two sliding grooves are matched, slide and are rotationally connected with a connecting assembly. According to the utility model, one person can operate and draw a standard quadrat frame without multiple times of adjustment, so that the use is more convenient, and the applicability is higher.

The invention belongs to the technical field of exploration equipment, and particularly relates to a multifunctional geological compass for geological mineral exploration, which comprises a chassis and a top cover, the device further comprises a braking mechanism, and the braking mechanism is installed on the chassis and used for fixing the top cover and the magnetic needle. By arranging the braking mechanism and utilizing the fixing effect of the braking mechanism on the rotating shaft and the magnetic needle, on one hand, when the geological compass is not used, the top cover and the chassis are relatively fixed, and the magnetic needle is separated from the ejector pin under the compression of the braking ring, so that the geological compass can be conveniently stored, and the magnetic needle and the ejector pin can be prevented from colliding in the storage process; and on the other hand, after the measurement is finished, the pressing piece is manually loosened, so that the components of the geological compass can be fixed to a certain extent, the measured value can be kept unchanged, and a worker can conveniently measure, calculate and read the measured value.

The invention relates to the technical field of compass, in particular to a balance-adjustable geological compass which comprises a compass body, a dial and a magnetic needle are arranged in the compass body, the dial is marked with a direction, a glass cover is arranged at the top of the compass body, a protection mechanism is arranged at one end of the compass body, and the magnetic needle is arranged at the other end of the compass body. The protection mechanism comprises a supporting block fixedly arranged outside the compass, the interior of the supporting block is rotationally connected with an instrument cover through a damping rotating shaft, a reflective mirror and a rotating bolt are installed in the instrument cover, and due to the fact that threads are matched with the bolt, the bolt can descend in a hollow column when rotating, and the reflective mirror is fixed to the interior of the hollow column. The adjusting position is supported through the bolt, then the handle is pulled to enable the piston to slide and rise in the vertical groove through the piston rod, and the suction cup is communicated with the vertical groove, so that the piston rises to extract gas in the vertical groove, and the operation is beneficial for fixing the piston on the ground and preventing the compass from losing balance when outdoor wind blows.

The present invention belongs to the technical field of geological exploration tools, and specifically relates to a protective vest for geological exploration. It comprises a front shielding surface and a rear shielding surface, the lower parts of both sides of the front shielding surface and the rear shielding surface are connected by two fixing belts, the fixing belts are respectively provided with plastic buckles, the upper ends of the front shielding surface and the rear shielding surface are respectively provided with connecting shoulder straps, the front shielding surface, the rear shielding surface and the shoulder straps are all provided with bulletproof layers, the front shielding surface is provided with a first sundries bag, a geological compass placement bag, and a magnifying glass placement bag, the present invention is easy to wear, and can protect geological tools and the bodies of construction personnel.

The utility model discloses a geological compass auxiliary device for rock mass structural plane occurrence measurement. The geological compass auxiliary device comprises a structural plane alignment plate, a measurement carrier plate, a dip angle measurement groove and a tendency measurement groove, the end parts of the structural surface alignment plate and the measurement carrier plate are rotationally connected and are both on the same plane, the measurement carrier plate is circular and is used for assisting the geological compass in measuring the occurrence of a rock mass structural surface with insufficient exposed space, and an inclination angle measurement groove and an inclination angle measurement groove are formed in the measurement carrier plate; according to the utility model, the rock mass structural plane with insufficient exposed space is extended, the measurement space is expanded, a geological compass is assisted to measure the occurrence of the rock mass structural plane with insufficient exposed space in geotechnical engineering, and the occurrence comprises three elements of inclination angle, tendency, trend and the like; meanwhile, the auxiliary device can solve the problem that the measured dip angle of the rock mass structural surface is easy to be a false dip angle, so that the measured dip angle is closer to a true dip angle.

The detachable geological compass comprises a shell, an upper cover hinged to the shell and a long sighting device matched with the shell, a U-shaped groove is formed in the top face of the shell, the U-shaped groove is located on the opposite side of the hinged edge of the upper cover and the shell, the two ends of the U-shaped groove extend to the side face of the shell, and an opening is formed in the side face of the shell; the part, separated by the U-shaped groove, of the shell is a positioning part; the long sighting device comprises a connecting part and an extending part, the width of the connecting part is larger than that of the extending part, and a notch is formed in the connecting part; the connecting part is matched with the U-shaped groove and used for being inserted into the U-shaped groove, and the notch is matched with the positioning part and used for being arranged outside the positioning part in a sleeving mode. The utility model provides a detachable geological compass to solve the problem that in the prior art, a long sighting device is hinged to a shell of a geological compass and is prone to damage, and the purposes that the long sighting device is detached and stored when not used, and the damage risk is reduced are achieved.

1. The name of the design product: geological compass. 2. The use of the design product: the design product is used for geological exploration. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model discloses a portable geological compass and relates to the technical field of surveying equipment. The compass comprises a compass body, the rear end of the compass body is rotatably connected with a connecting plate, the rear end of the connecting plate is rotatably connected with an end cover, the lower surface of the end cover is provided with a placing groove, the two ends of the interior of the placing groove are both provided with mounting plates, one side of each mounting plate is fixedly connected with an elastic band, and the other side of each mounting plate is fixedly connected with the elastic band. A mounting groove is formed in the lower surface of the compass body, a bandage is fixedly connected to the middle of the mounting groove, and a plurality of first sub-buckles are fixedly connected to the upper part of the front end of the bandage. According to the portable geological compass, the binding band and the straps are arranged on the compass body, a user can choose to wear the portable geological compass on the arm or carry the portable geological compass on the shoulder according to the actual situation, the carrying convenience of the portable geological compass is greatly improved, and meanwhile, the clamping design of the binding band ensures the stability of the portable geological compass in the wearing process; and equipment damage possibly caused by a traditional backpack carrying mode is avoided.

The invention discloses a tungsten deposit concealed granite body prediction method based on two mineralized quartz veins with any tendency. The method comprises the following steps: identifying a plurality of mineralized quartz veins with similar trends in a target exploration area; randomly selecting two mineralized quartz veins; measuring the occurrence of the two mineralized quartz veins by using a geological compass; acquiring the altitudes of a dew point A and a dew point B of the two mineralized quartz veins on the earth surface as h1 and h2 respectively; drawing a cross section drawing perpendicular to the mineralized quartz veins, drawing extension lines of the two selected mineralized quartz veins on the cross section drawing along the inclined direction, and taking an intersection point C of the two extension lines as the vertex of the tungsten deposit concealed granite body; and drawing a vertical line I which is vertical to the horizontal plane and passes through the point C on the cross section, intersecting the vertical line I with the horizontal line passing through the point A at a point C'and intersecting with the earth surface at a point C '', and calculating to obtain a depth value CC ''from the position of the vertex of the tungsten deposit concealed granite body to the earth surface. According to the method, accurate prediction of the tungsten deposit hidden granite body is realized, the efficiency is high, and the cost is low.

This invention provides a multifunctional geological compass suitable for field geological work. The multifunctional geological compass includes a main housing unit, inside which are a magnetic needle system and a suspension cone system; a built-in lighting mechanism installed within the main housing unit, used to illuminate the magnetic needle system in low-light environments; and a foldable auxiliary measuring tray, which is hinged to the bottom of the main housing unit. The foldable auxiliary measuring tray can switch between a stowed state and an unfolded state. In the unfolded state, the foldable auxiliary measuring tray provides stable support for the compass on uneven or narrow measuring surfaces. The multifunctional geological compass provided by this invention has the advantages of high integration, strong adaptability, and convenient operation.