Mineral Environments

Question 1

Genisis

Answer 1

Primary crystallization, properties are explained by the conditions of formation

Question 2

sources crystallizing magma

Answer 2

Aqueous 1

Question 3

dehydrating sedimentary rocks

Answer 3

Aqueous 1

Question 4

mantle degassing

Answer 4

aqueous 1

Question 5

migrated meteoric and seawater

Answer 5

aqueous 1

Question 6

heated solution transport and precipitate along path where minerals like calcite can accumulate

Answer 6

aqueous 1

Question 7

hydrothermal endogenic

Answer 7

aqueous 1

Question 8

surface solutions or brines (exogenic)

Answer 8

aqueous 2

Question 9

ground, karst and soil water

Answer 9

aqueous 2

Question 10

what type of sea do we have?

Answer 10

Aragonite sea that is high in magnesium

Question 11

Evaporite minerals

Answer 11

halite, gypsum

Question 12

Gas and fluid minerals

Answer 12

Hematite and sulfur

Question 13

volcanic gas vents (fumaroles)

Answer 13

gas and fluids

Question 14

skarns and metamorphism of limestone

Answer 14

gas and fluids

Question 15

Ocean floor silt, clay minerals

Answer 15

Colloidal solutions

Question 16

Al, Fe, Mn-HYdroxides

Answer 16

Colloidal solutions

Question 17

amorphous opal

Answer 17

colloidal solutions

Question 18

Silica tetrahedron present as dissolved clusters

Answer 18

magma

Question 19

silicate liquids with silica tetrahedron chains

Answer 19

magma

Question 20

Parameters of magma

Answer 20

Temp and pressure, partial pressures of H2O and O2

Question 21

< 45% SiO2

Answer 21

Ultramafic

Question 22

About 50% SiO2

Answer 22

Mafic

Question 23

about 60% SiO2

Answer 23

intermediate

Question 24

> 65% SiO2

Answer 24

felsic

Question 25

Polymorphic transitions

Answer 25

Solid systems

Question 26

Prophyroblasts: garnet in a schist or gneiss

Answer 26

solid systems

Question 27

replacement processes

Answer 27

solid systems

Question 28

Mineral crystallization types

Answer 28

Free space, metasomatism, recrystallization

Question 29

Freely grow in gas, melt, solution

Answer 29

free space

Question 30

euhedral crystal habits

Answer 30

free space

Question 31

sulfur in volcanic gas, amethyst in hydrothermal solutions, porphyritic feldspars in magma

Answer 31

free space

Question 32

chemical composition is changed due to liquid flow

Answer 32

metasomatism

Question 33

simultaneous capillary dissolution and crystallization where a mineral replaces another

Answer 33

metasomatism

Question 34

Magmatic mineral deposits (exo vs. endo)

Answer 34

endogenic

Question 35

metamorphic mineral deposits (endo vs. exo)

Answer 35

endogenic

Question 36

Supergene mineral deposits (exo vs. endo)

Answer 36

exogenic

Question 37

sedimentary mineral deposit (exo vs. endo)

Answer 37

exogenic