Definition method for forming time of ductile shear zone

A shear band and toughness technology, which is used in measuring devices, instruments, and analysis by electron paramagnetic resonance, can solve the problems of high cost and long test period, and achieve the effect of low test cost and low test cost.
CN103575864AInactive Publication Date: 2014-02-12HEFEI UNIV OF TECH
1 Cites 7 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
HEFEI UNIV OF TECH
Publication Date
2014-02-12
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
Patent Text Reader

Abstract

The invention relates to a definition method for the forming time of a ductile shear zone and in particular relates to a definition method for measuring the age of new alpha quartz in a mylonite substrate by an electron spin resonance method to define the forming time of the ductile shear zone. The method comprises the steps of (1) sample collection; (2) sample preparation; (3) sample measurement: measuring a balance uranium mole value and thermal activation ESR (electron spin resonance) spectrum amplitude; (4) calculating the forming time of the ductile shear zone. The method disclosed by the invention is simple and effective and has the advantages that test samples are readily available, the test cost is low and the like; the problems of long test period, high test cost and the like of the conventional definition method can be solved.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the field of determination of mineral age, in particular to a method for determining the age of new-born α-quartz in mylonite matrix. Background technique

[0002] The ductile shear zone is a very common fault zone in geological structures, and it is an important window to see the deformation characteristics of rocks in deep structural layers. In recent years, with the deepening of its research, especially through the in-depth study of ductile shear zone geometry, kinematics, dynamics and rheological properties, the importance of ductile shear zone in the study of orogenic belts and its rheology The importance of geosciences is increasing day by day. Therefore, the age definition of ductile shearing is more and more important.

[0003] The most commonly used method for defining ductile shear ages is muscovite 40 Ar- 39 Ar dating and SHRIMP zircon U-Pb dating.

[0004] 40 Ar- 39 Ar method age determination is based on the...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More