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Schmitty's Geology Origin
- Schmitty Thompson decided to be a geologist after meeting a geology graduate during a canoe trip before eighth grade.
- This early encounter inspired their lifelong passion for rocks and geology.
Defining Rocks and Minerals
- Rocks are made of minerals, which are chemical compounds with crystal structures.
- Minerals are the 'ingredients' that combine to form rocks like granite, which can contain quartz, feldspar, and mica.
Rock Size Classifications
- Size classifications for rocks include boulders (>25.6 cm), cobbles, pebbles, sand, silt, and clay.
- A rock's size category is technically defined by diameter, not by whether one can move it.