Lecture 2 Flashcards
(10 cards)
1
Q
Minerals are…
A
- Naturally occurring
- Solid
- Inorganic
- Ordered with internal molecular structure
- Consistent and characteristic chemical composition with identifiable properties
2
Q
Over 90% of Earths crust is composed of which 5 groups of minerals…
A
- Amphiboles
- Feldspars
- Micas
- Quartz
- Pyroxenes
3
Q
Nearly 97% of the ATOMS in the Earths crust are…
A
- O
- Si
- Al
- Fe
- Ca
- Na
- K
- Mg
4
Q
Mineral Groups (8 groups)
A
- Silicates
- Oxides and Hydroxides
- Sulfides
- Sulphates
- Native elements
- Halides
- Carbonates
- Phosphates
5
Q
Where does clay come from?
A
The chemical altering of other silicates (feldspars), they have a large composition of surfaces material (soil). Clay includes groups Kaolinite, Smectite, Illite, and Chlorite
6
Q
Non-Silicate Minerals…
A
- Carbonates (CaCO2)
- Sulfates (SO4)
- Sulfides (FeS2)
- Oxides (Fe2O3)
- Native elements (Au, Cu)
7
Q
Properties of Halides (NaCl)
A
- An evaporite rock
- Used in nuclear waste respositories
- Used in natural gas storage
8
Q
Polymorph are…
A
- Different geometric arrangements of the same element
- Has the same chemical composition
- Has different physical properties
- Ex. diamond and graphite
9
Q
Rock Cycle: Types of Rocks
A
“My Igauna Sleeps Most Mondays”
Magma. Igenous. Sedimentary. Metamorphic. Back to Magma.
10
Q
Rock Cycle: Processes
A
“Cool Weather Can Heat Marshmallows.”
Cooling/Solidifying. Weathering + Transportation + Deposition. Compaction and Cementation. Heat and Pressure. Cooling.
