Blog

Which does NOT match a sedimentary rock with a possible metamorphic equivalent?

If an igneous rock has aphanitic (fine-grained) texture, it must be an ______ rock.

You are standing on the road looking at this fault. What kind of fault is this? The fault plane is indicated in red.

A large area undergoes metamorphism (all rocks reach same grade). However, after the event, some rocks are quartzite and some are schist. Why?

What happens when a sediment or sedimentary rock is gradually buried deeper inside Earth?

A typical quartz sand beach is most likely to form which type of sedimentary rock?

What type of stress most likely caused these folds?

At a continent-continent convergent boundary, which rock type is most likely to form?

The physical weathering process that involves vegetation is called:

During _______ minerals change structure but composition stays the same.