Rocks Flashcards
An impression left in sedimentary rock by the remains of a dead plant or animal
Fossil
Fuels formed over many thousands of years from the remains of ancient plants and animals; examples-coal, oil, natural gas
Fossil Fuels
The sediment particles are pressed closer together as the weight of all the layers press downward.
Compaction
Rock formed as sediments are pushed together or cemented by the weight of the water and layers of sediment above it.
Sedimentary Rock
Small particles of rock, soil, sand, or shell deposited by water, wind or ice
Sediment
The process of binding and hardening of sediments into hard rock.,
Cementation
A fossil fuel, flammable and odorless gas (mostly methane) found in Earth’s crust.
Natural Gas
Fossil fuel and material resource, which formed deep in the Earth over many thousands of years, from remains of ancient plants and animals
Oil
Solid fossil fuel formed from swamp plants deep within the Earth over many thousands of years
Coal