What was the principal deformation mechanism operative in the rock shown in Fig. G-50? Being careful to use the correct terminology, list the lines of evidence that support your conclusion. Use labeled arrows to point out an example of each line of evidence you present.

 Fig. G-50

Transcribed Image Text:

G C K Q P Fig. G-50 Photomicrograph for use in Problem 16.2. C, calcite; K, potassium feldspar; P, plagioclase; Q, quartz. Crossed polars. Scale bar is 1 mm.