Identify rocks and minerals. ... There are three major categories for classifying rocks: sedimentary, igneous and metamorphic. Sedimentary rocks give a geologic history lesson with their layers.

Igneous rocks are the "new kids" in the rock cycle. They're the new rock on the block, ready to start fresh. Basalt lava flow in Hawaii, a perfect example of an extrusive igneous rock.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Why don’t rocks burn? – Luke, age 4, New Market, ...

Granite, an igneous rock, ... Marble, slate and quartzite are types of metamorphic rock. Minerals – A mineral is a natural substance that comes from the Earth.

THIS book is intended for two classes of reader, namely, the student beginning the study of the igneous rocks, and the geologist seeking a refresher course. As a result, the beginner will need ...

Alternatively, sedimentary rocks take shape when the tiny, weathered fragments of stones are compacted and cemented together. The process begins when rocks, minerals and organic materials — such as ...

Intrusive rocks cooled slower, allowing the minerals to form crystals that can be detected by the eye. The most common intrusive igneous rock in the area is known as diabase.

Igneous – Rocks that are formed from volcanic magma or lava. Granite, basalt and pumice are types of igneous rock. Impermeable – Water cannot soak into impermeable rocks, so it runs off the ...