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Ruian Shunfeng Navigation Instruments Co.,Ltd

Add: No.20, Heping Road, Jinhu Street, Ruian, Zhejiang, China
Con: april Zhang
Tel: +86-577-65520898
Fax: +86-577-65966926
Mob: +8618158321811

Geological Compass (compass) Use Method

Geological compasses are the most guaranteed primitive tool for geological exploration. His simplified compass is also a great tool for survival in the field. Today, we will talk about how to use the geological compass (compass)

1. Must be used before the magnetic declination correction, usually in the compass side, according to the region magnetic declination angle, the general compass manual will have

2. Measurement of the direction of the object is the determination of the relative position between the object and the tester, that is, the determination of the azimuth of the object. Measure the time to relax the brake screw, so that the object plate pointing to the test object, even if the compass north end of the target object, the southern end of their own, to aim, so that the object, the small object hole plate, cover the glass filament, On the mesh plate holes and so on even in a straight line, while the chassis leveling bubble center, to be stationary when the magnetic needle refers to the degree of compass is the measured azimuth object.

3. The direction of rock formation is the direction of line intersection of rock formation and horizontal plane, that is, the extension direction of horizontal line at any height of rock strata. When measuring the long edge of the compass close to the level, and then turn the compass, so that the chassis of the bubble in the center of the scale, the pointer reads the scale is the direction of the rock.

4. Strata tendency - refers to the projection of the downward direction of the maximum downward slope of the rock strata on the horizontal plane, which is perpendicular to the strike of the strata. Measurements, the compass northbound or docking board pointing oblique direction, the south compass close to the level and turn the compass, so that the chassis level bubble center, read the compass refers to the scale refers to the tendency of the rock.

5. Rock dip is the maximum angle between the rock formation and the imaginary horizontal plane, that is, the true dip, measured along the true dip of the rock formation. During the measurement, the compass should be erected and moved to the right and left along the true slant line of the rock with the long edge to move the compass around left and right, and the movable wrench at the bottom of the compass should be moved with the middle finger to make the center of the hypo- Refers to the maximum reading, that is, the real rock dip.

6. Matters needing attention

Stay away from the magnetic field

Do not water

Ruian shunfeng navigation instruments co.,ltd


Con:april Zhang