XII. Questions (326-350) Flashcards
Debris dislodged by weathering of steep slopes which accumulate at the base in a conical, fan shape.
Talus
A morphological feature formed by the interaction between a flow and cohesionless sediment on a bed.
Bedform
A sedimentary rock containing the waxy hydrocarbon fuel called kerogen.
Oil shale
Those which are formed during crystallization of magma, deep underground.
Magmatic ore deposits
Likely products of extended periods of sediment reworking.
Quartz arenite
Resources mean all products of geothermal processes, embracing indigenous steam, hot water, and hot brines.
Geothermal
A contract between the government and a contractor, involving mineral production-sharing agreement, co-production agreement, or joint-venture agreement.
Mineral agreement
A 40-km thick continental crust is less buoyant than a 10 km-thick oceanic crust.
False
Soil and rock materials from surface or underground mining and milling operations with no economic value to the generator of the same.
Mine wastes and tailings
Refers to coalescing fans.
Bajada
Kaolinite + potassium carbonate + silica.
Potash feldspar
The oxidized outcropping cellular mass of iron oxide and gangue overlying aggregated sulfide deposits.
Gossan
The ore of aluminum.
Bauxite
Greenish nickel ore in laterite deposits.
Garnierite
Protolith of nickel laterite deposits.
Ultramafic rock
Type of placer deposit nearest to the source rock.
Eluvial deposit
Type of placer deposit farthest from the source rock.
Alluvial deposit
The primary agent of oxidation.
Oxygen
What you expect below the zone of supergene enrichment.
Hypogene ore
A specific type of potentiometric surface map for an unconfined aquifer; shows lines of equal elevation of the water table.
Water table map
Water derived from precipitation.
Meteoric water
The total amount of water flowing in the stream, including overland flow, return flow, interflow, and baseflow.
Runoff
The volume of water the aquifer releases from or takes into storage per unit surface area of the aquifer per unit change in head.
Storativity
Produced by the combined action of heat and pressure over a long period of time on buried organic material.
Thermogenic hydrate
True or False: A 40-km thick continental crust is less buoyant than a 10 km-thick oceanic crust.
True
