Rock
natural occurring aggregates or combination of minerals and mineraloids such as fossils and gas
rocks
process where rocks are constantly being transformed generated and destroyed
rock cycle
-form through the cooling magma or lava.
-Latin ignis means fire.
ingeous rocks
accumulate on Earth's surface in a process called deposition
sedimentary rock
Latin word sedimental means
settle down
laying down sediments card by wind flowing water sea or ice
deposition
unconsolidated materials became solidified into rocks
lithification
exposure of sedimentary or igneous to high pressure high temperature
metamorphic rock
rocks can be ignores sedimentary metamorphose
protolith
refers to the size shapes and arrangement of mineral greens and other constituents
texture
grains that are too small to see
aphanitic
Grains that are too big enough to see
phaneritic
in igneous rocks what is the size of phaneritic
larger than 1/16 mm
in igneous rocks what is the size of aphanitic
less than 1/16 mm
in sentimentary rock what is the standard size of aphanitic and phaneritic
1/16 mm
compose of elements such as those found in the periodic table
minerals
what are the characteristics of minerals
1. natural according chemicals compounds
2. inorganic
3. homogeneous solids
4. definite chemical composition
5. arranges atom in a crystalline patterns
what are the five optical and physical properties of minerals
Lester
color
streak
hardness
cleavage
This is the study of composition crystal structures and physical and optical properties of minerals
mineralogy
a person who studies minerals
mineralogist
founder of mineralogy he is the first to systematically classify minerals
Abraham Gottlob Werner
mineral samples are tested for hardness against a set of index minerals is killed from one softest to 10 in the hardness
mohs scale of hardness