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Soil mnral and proc

For 330 Soil Minerals and Soil Processes, From Chapin et al 2011

TermDefinition
Parent material Rocks or other substrates that generate soils through weathering.
Igneous rocks Rocks formed when magma from Earth’s core cools near the surface.
Loess Soil derived primarily from wind-blown silt particles.
Amorphous minerals Minerals with no regular arrangements of atoms.
Primary minerals Minerals present in the rock or unconsolidated parent material before chemical changes have taken place.
Secondary minerals Crystalline and amorphous products that are formed through the reaction of materials released during weathering.
Metamorphic rocks Sedimentary or igneous rocks that are modified by exposure to heat or pressure.
Sedimentary rock Rocks formed from sediments.
Crystalline minerals Minerals with highly regular arrangements of atoms.
Decomposition Breakdown of dead organic matter through fragmentation, chemical alteration, and leaching.
Weathering Processes by which parent rocks and minerals are altered to more stable forms.
Transformations Conversion of the organic compounds contained in litter to recalcitrant organic compounds in soil humus.
Leaching Downward movement of materials in solution.
Created by: mdcoleman