Soil horizons

Layers in soil defined by physical, chemical, biological, or mineralogical properties which vary with depth.
This category is also used for C horizon, B horizon, and A horizon.
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Weathering and transport of chromium and nickel from serpentinite in the Coast Range ophiolite to the Sacramento Valley, California, USA

Investigates Cr and Ni geochemistry providing insight into the mobility and bioaccessibility of these toxic trace elements throughout northern California and perhaps the origin of elevated dissolved Cr(VI) concentrations in the western Sacramento Valley