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geology final
rocks
Question | Answer |
---|---|
What is the crust mostly made of? | |
What are the elements make up the Earth? | IRON, OXYGEN, SILICON, magnesium, sulfur, and nickel |
What is the most abundant mineral? | Quartz |
What is the definition of mineral? | composed of matter other than plant or animal; inorganic, not man made, and definate crystalline structure. |
How does halite form? | forms from evaporite deposits of salt. |
what are the major groups of minerls? | 1)native elements;2)sulfides;3) sulfosalts;4)oxide and hydroxides;5)halit and borates;6)carbonates;7)nitrates and iodates;8)phosphate;9)sulfates;10)tungstates and molybdates;11)silicates. |
Characteristics of native elements? | 1)metal:gold group;gold,silver,copper;platinum group;platinum;iron group:iron,kamacite,taenite2)Semimetals:arsenic group;arsenic,bismuth;3)nonmetals;sulfur,diamiond,graphite |
Glacier? | thick mass of ice originating on land from the compaction and recrystallization of snow. |
Karst? | a topography consisting of numerous depressions called sinkhoes |
Sinkhole? | depression produced in a region where soluble rock has been removed by goundwater. |
Ore? | useful metallic mineralthat can be mined at a profit. |
galassy texture? | term used to descibe textur of a certain igneous rock. |
Cleavage? | tendency of a mineral to break along planes of weak bonding. |
Clastic? | sedimentary rock texture consisting of broken fragments of preexisting rock. |
Eons? | Precambrian |
Eons? | Archean |
Eons? | Proterozoic |
Eons? | Phanerozoic |
Eras? | Paleozoic, erliest time |
Eras? | Mesozoic,middle time |
Eras? | Cenozoic,recent time |
Periods of the Paleozoic era? | cambrian erliest |
Periods of the Paleozoic era? | Ordovician |
Periods of the Paleozoic era? | Silurian |
Periods of the Paleozoic era? | Devonian |
Periods of the Paleozoic era? | Carboniferous-Mississippian-Pennsylvanian |
Periods of the Paleozoic era? | Permian |
Periods of the Mesozoic era? |