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classifying Characteristics of Rock Texture
A dark colored rock composed of smaller pieces of irregularly shaped rock.

Classify this rock by using the drop-down menus to describe the size, shape, and pattern of its grains.

Grain size:

Grain shape:

Grain pattern:

All Answers 1

Answered by GPT-5 mini AI
Grain size: Coarse-grained (visible fragments)

Grain shape: Angular / irregular

Grain pattern: Clastic/fragmental (poorly sorted)