Rocks in your head?
3 categories of rocks
sedimentary, igneous, metamorphic
regional or dynamic, related or non-foliated
metamorphic
This type of rock comes from matter that falls to the bottom of the lakes and ocean.
Sedimentary
Two types of grain patterns
Banded or non banded
Unit of measure used to measure the size of a gemstone
Carat
The study of rocks is called this
Petrology
What are rocks made up of?
Minerals
Particles of minerals or other rocks that give a rock its texture
Grains
List 3 examples of Sedimentary rocks
sandstone, shale, breccia, conglomerate, limestone, coal, halite, gypsum
A minerals ability to scratch or be scratched by another mineral is its ______.
Hardness
Three ways you can classify rocks
texture, size, and appearance
People who study rocks are caused
geologist
Grain size: These grains are easy to see
Coarse grain
3 types of metamorphic rock
Gneiss, marble, schist, slate
The color of a mineral's powder is called a ____.
Streak
This type of rock is clastic or non clastic, organic or inorganic
sedimentary
What type of rocks are clastic rocks formed from eroded parts of other rocks
sedimentary rocks
Grain size: These grains are more difficult to see
Fine Grain
Three examples of igneous rocks
Granite, obsidian, pumice, basalt
How a mineral reflects light from its surface is called this.
Luster
This type of rock is intrusive or extrusive, coarse or fine grated
igneous
What type of rock is made up of any organic material that was formed from something living?
Fossils
Two types of Grain shapes
Rounded or jagged
This scale was named after a German mineralogist which is used to classify and identify minerals by their relative hardness
Mohs Scale
List 2 Example of Metals
gold, silver, copper, platinum