Mineralogical Composition of a Soil Profile from the Naiwa Family of the Ferruginous Humic Latosol GroupUniversity of Wisconsin--Madison, 1951 - 116 pages |
Contents
DESCRIPTION OF THE SOIL PROFILE SAMPLED | 10 |
Principal lines of the major minerals identified in the | 17 |
PARTICLESIZE DISTRIBUTION AND ELE ENTAL ANALYSIS | 21 |
17 other sections not shown
Common terms and phrases
0.2 microns 2-0.2 micron fraction 5-2 micron fraction A2 horizon allocation aluminum aluminum hydroxide amorphous silicate anatase CaCl2 centrifuging chemical clay minerals cm A-B cm A1 cm A2 coarse and medium coarse silt fraction coarser fractions colloid concentrated content of amorphous crystal decreasing depth function diffraction lines diffraction pattern dispersion treatment feldspars Ferruginous Humic Latosol film finer fractions finer size fractions gibbsite goethite Hawaii hematite high content highest content highly weathered soils Horizon and depth horizon contains Humic Latosol group hydrous clay intermediates identified illite ilmenite investigation iron oxide Jackson kaolinite laterite latite layer silicates less than 0.2 magnetite medium silt fractions microns A1 Mineral content mineralogical content montmorillonite Naiwa family Naiwa profile occurring particles pedogenic podsolization potassium powder patterns quartz rock D Figure samples showed silica silt and clay size-distribution Stage 12 surface horizons Table tions titanium weathering mean weathering sequence weathering stage X-ray diffraction