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There are a number of different (specialised) magnetic compasses used by geologists to measure orientation of geological structures, as they map in the field, to analyse (and document) the geometry of bedding planes, joints, and/or metamorphic foliations and lineations. In this aspect the most common device used to date is the analogue compass.
A multifunctional geological compass suitable for field geological work
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.
Owner:湖南省地质调查所