What are stratiform deposits?
What are stratiform deposits?
In mineral deposit: Stratiform deposits. A final class of hydrothermal deposit is called stratiform because the ore minerals are always confined within specific strata and are distributed in a manner that resembles particles in a sedimentary rock.
Where are stratiform deposits?
Stratiform deposits of predominantly galena and sphalerite are most commonly hosted in shallow-marine carbonate-dominated sequences on the rims of large sedimentary basins where changes in salinity caused deposition.
How do you identify mineral deposits?
To find a mineral deposit, geologists study the geology of a lot of places. They then go to a spot where that type of mineral deposit could be found. They test the properties of the soil and rocks. They look at the chemistry and the physical properties.
What are the 2 types of mineral deposits?
Generally we can classify mineral deposits into two major groups: Industrial and non industrial.
What is the meaning of stratiform?
stratiform. / (ˈstrætɪˌfɔːm) / adjective. (of rocks) occurring as or arranged in strata. meteorol resembling a stratus cloud.
What are skarn deposits?
Skarn deposits are one of the more abundant ore types in the earth’s crust and form in rocks of almost all ages. Skarn is a relatively simple rock type defined by a mineralogy usually dominated by calcsilicate minerals such as garnet and pyroxene.
What does stratabound mean?
Stratabound implies occurrence of ore within one or more strata, but volumes which are mineralised may be separated, or may not extend for the full stratigraphic thickness. The elements of mineralisation (veinlets, layers, pods, etc.) may be transgres- sive to the enclosing rocks.
What color is mineral deposit?
gray
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What are examples of mineral deposits?
The examples of mineral deposits are Broken Hill zinc–lead–silver deposit of Australia, Sudbury nickel–platinum–palladium deposits of Canada, Bushveld chromium–platinum–palladium deposits in South Africa, Jhamarkotra rock-phosphate deposit and Jharia coalfield in India, and Athabasca oil sands (crude oil) in …
What is convection easy?
Definition of convection 1 : the action or process of conveying. 2a : movement in a gas or liquid in which the warmer parts move up and the cooler parts move down convection currents. b : the transfer of heat by convection foods cooked by convection — compare conduction, radiation.
Can stratus clouds produce rain?
Stratus clouds are uniform and flat, producing a gray layer of cloud cover which may be precipitation-free or may cause periods of light precipitation or drizzle.
What does skarn look like?
Skarns or tactites are hard, coarse-grained metamorphic rocks that form by a process called metasomatism. Skarns tend to be rich in calcium-magnesium-iron-manganese-aluminium silicate minerals, which are also referred to as calc-silicate minerals.