Geology 101 Test 2

Test 2  

83 cards   |   Total Attempts: 182
  

Cards In This Set

Front Back
What is the charge or valence on C (carbon) in the mineral calcite (CaCO3)?
+4
Which one of the following statements about an ideal soil profile is false?
Humus accumulates in and is most abundant in the C horizon.
A sheet silicate
Biotite
Single-chain silicate
Pyroxene
3-D "framework" silicate
Potassium Feldspar (K-Spar)
Double-Chain Silicate
Amphibole
Which of the following statements best describes most composite strata volcanoes?
Are associated with active subduction zones where one plate is sinking into the mantle.
In general, partial melting of silicates produces a liquid that is....
More silica rich than the parent.
Shiprock is a famous igneous feature in New Mexico, it is...
The eroded remains of a volcanic pipe and radiating dikes.
Limestone
Is the rock most readily dissolved by acid rain.
Isotopes of the same element...
The atoms have different numbers of neutrons and the same numbers of protons.
Domininant minerals in Granite?
Na-rich plagioclase, K-Spar (orthoclase), and quartz.
The olivine solid solution series is best described as...
Simple substitution of Mg+2 for Fe+2
Based on Mohs scale of Hardness
Topaz can scratch Quartz.
Amphiboles
Have a double chain silicate structure that contains water in the form of OH.