Details Title: chp 7 Description: terms Total Flash Cards: 9 Created: 10/16/2007 21:27:03		New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE. Existing Users: CLICK HERE. Additional Geology Flashcards
Cards in this set: Term Pedology Definition scientific study of soils Term Cation Definition ion with a net positive charge brought about by loss of elections Term Cation adsorption Definition affixing of cations to surface of certain mineral grains, in particular, the clay minerals, as a means of neutralizing a deficieny of positive charge Term Cation exhange capacity Definition Ability of a material to exchange cations held on its surface for cations present in surrounding solutions Term O horizon Definition surface layer of some soils consisting of organix debris derived from decay of accumulated vegetation Term A horizon Definition dark colored soil horizon below O horizon that is a mixture of humus and decomposed regolith Term E horizon Definition soil layer consisting primarily of quartz sand below A horizon; zone of leaching Term B horizon Definition Below E horizon, materials leached from overlying horizons are deposited; zone of deposition Term C horizon Definition lowest horizon, parent material from which soil forms