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Crystalline Basement Rocks

Red ball iconMANSON IMPACT STRUCTURE

Photomicrograph of Deformed Feldspar Grain  

PHOTOMICROGRAPH

Crystalline Basement Rocks

Deformed Feldspar Grain

2-A Core--631 feet

Dark bands are cleavage planes with deformations and kink-bands evident. Mottled appearance is due to shock deformation. Light brown grain (lower left) is shock-toasted quartz.
field 3.2 x 2.1 mm
plane-polarized light
 
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