Rocks Flashcards
1
Q
The three rock types are:
A
- Igneous
- Sedimentary
- Metamorphic
2
Q
Most igneous minerals crystallize from:
A
molten rocks it cools, some form from precipitation of minerals from gas
3
Q
Some sedimentary minerals come from:
A
broken down rocks or fossils, other crystalize from dissolved elements in groundwater
4
Q
Metamorphic minerals recrystallize from:
A
existing minerals where conditions in crust cause high heat and pressure
5
Q
The appearance of rock is affected by:
A
how minerals or other earth materials in the rock formed
6
Q
Differences in the mode of formations:
A
will lead to a difference in texture