Basic Geology Flashcards
Define Commodities
A raw material or primary agriculture product that can be bought and sold. (Copper,coffee)
Define Lustre
A gentle sheen or soft glow.
Define Malleable
Able to be hammered or pressed permanently out of shape without breaking or cracking.
Define Homogeneous
Of the same kind, alike.
Define Non ferrous
Relating to or denoting a metal other than iron and steel.
Define Placer
A surficial mineral deposit formed by the concentration of small particles of heavy minerals. (Gold, rutile, or platinum)
Define Magma
Hot fluid or semi fluid material below or within earths crust from which lava and or igneous rock is formed by cooling.
Define Percipitate
A substance to be deposited in solid form from a solution.
Define Metamorphic
Rock that was once one form of rock but has changed to another under the influence of heat, pressure,or some other agent without passing through a liquid phase.
Define Volatile
Easily evaporated at normal temperatures.
Define Orientation
The relative physical position or direction of something.
Define Syngenetic
Relating to or denoting a mineral deposit or formation produced at the same time as the enclosing or surrounding rock.
Define Epigenetic
Formed later than the surrounding or underlying rock formation.
Define Intrusive
A geologic contact is the service along which one rock touches another.
Define Ore
An ore is a type of rock that contains sufficient minerals with important elements.