vocabulary 1 - Some essential vocabulary for SOS 3022...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Some essential vocabulary for SOS 3022 Mollic – Dark epipedon, high organic matter, thick, high base saturation (>50%) Ochric – Pale epipedon, thin, low base saturation Umbric - Dark epipedon, like mollic, lower base saturation than mollic (<50%) Melanic – epipedon similar to mollic in color and thickness, formed from volcanic ash Plaggen – manured epipedon Anthropic –human developed epipedon Cambic – Weakly developed subsurface horizon, development of color, structure (Bw horizon) Spodic – Subsurface accumulation of organic matter (Bh horizon) Argillic – Subsurface accumulation of clay illuviated or formed in place (Bt horizon) Albic- “white”, subsurface elluvial horizon (E horizon) not all E horizons are albic Oxic – horizon of oxidized iron and or aluminum, resistant materials, highly developed (Bo) Smectite – highly reactive, sticky, plastic clay mineral Clay – mineral fraction with diameter < 0.002mm Kaolinite – weakly reactive, non-sticky, non-plastic clay mineral
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.
Ask a homework question - tutors are online