Analyze the sedimentary rocks in Fig. A6.3.1. Below each photograph, describe the rock briefly, using your observations of its apparent composition . texture , and anything else you notice that might help you to interpret the rock.

A Analyze the sedimentary rocks in Fig. A6.3.1. Below each photograph, describe the rock briefly, using your observations of its apparent composition . texture , and anything else you notice that might help you to interpret the rock.
Observations, fizzes in acid: mostly shells
Observation: fizzes in acid Observations: does not fizz in acid; grains
average -0.5 mm diameter
Figure A6.3.1
B REFLECT & DISCUSS Reflect on your observations and descriptions of sedimentary rocks in part A. Then describe how you would classify these rock specimens into logical groups. Be prepared to discuss your classification with your class­mates and teacher.

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