Breccia

• Clastic
• Angular Rock frag.
• Large grains

Coal

• Bio chemical
• black color
• Most grains
• will fizz

Conglomerate

• Clastic
• Large Rounded rock frag.
• Large grains

Fossiliferous

• Bio chemical
• Large ocean fossils
• Most grains

Diatomite

• Bio Chemical
• Most grains
• WONT fizz
• Looks like coal

Limestone

• Biochemical
• Clay
• litteraly looks like clay
• plain color

Shale

• Clastic
• Soft scratch (fingernail)
• Flat in shape
• Can't see any grains

Sandstone

• Clastic
• Sand grained
• Rounded to angular
• Medium texture