Summary: Geology
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1 Geology
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Which minerals containing in the crust?
1. O
2. Si
3. Al
4. Fe
5. Ca
6. Mg
7. Na
8. K
9. Ti -
Which minerals is the mantle rich?
1. Mg
2. Fe
3. Si
4.O -
What are common rock forming silicate minerals?
Silicate minerals are based on Si-O anion groups.
Quarts
Feldspar
Mica -
What is the origin of igneous rocks?
Cooling of hot magma.
- Intrusive (slow cooling) plutonic
- Extrusive (rapid cooling) volcanic -
What is the origin of sedimentary rocks?
Depostion and consolidation of sediment particles derived from erosion. -
What is the origin of metamorphic rocks?
Transformation of rocks to new rocks due to increased temperature and pressure. -
What is the origin of sedimentary rocks?
Due errosion small prarts come to the surface. They will be transported and deposit .
Door errosie komen kleine deeltjes (sediments) vrij. Deze worden getransporteerd en gedepositioneerd. Ze worden dus op een andere manier samen gebracht, en komen zo steeds dieper in de grond. (Er komt naar een tijd weer een laag bovenop) Uit eindelijk zullen ze sedimentary rocks vormen. Denk ook aan een stijgende temperatuur en pressure die met diepte komt. -
What are clastic sedimentary rocks?
Sandstones and shale -
What record changes in depositional conditions or sediments types during deposition?
Bedding and lamination -
Where is most carbonate (CaCO3) produced? And which conditions are important?
Marine organisms
Warm stilstaand water
Lack of clastic supply
Photic zone
Low latitude
Biological productivity
Nutriens
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