Atlas of Micromorphology of Mineral Alteration and Weathering
Mineralogical Association of Canada, 1998 - Science - 494 pages
"The book is divided into four main sections. The first, an introductory section, begins by outlining the general concepts involved in weathering processes, including a number of basic definitions, and the influence of kinetics, porosity and chemical dissolution on both petrography and geochemistry, as well as providing detailed instructions on how to sample a weathered profile (i.e. pristine bed-rock through to the resultant soil). The second section deals with the 'patterns of weathering', including clear descriptions of the degrees and patterns of weathering, as well as primary residues and secondary products. The third section covers 'alteromorphs' and includes a classification scheme that is summarized in colourful, diagrammatic form on the inside book covers for easy reference. The final section, where petrology turns into soil science, covers lithorelics, nodules and pisoliths."--Pub. desc.
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absolute accumulation actinolite aegirine allochthonous alloteritic alteration alterites alteromorph alteroplasma alterorelics amphibole apatite banded bauxite biotite chemical clay cleavages clinopyroxene CLINOPYROxENITE Koua Bocca color commonly completely weathered cortex Côte d'Ivoire Depth Côte d'Ivoire Sampled denticulate deposits developed distribution eral euhedral exhibit feldspar ferrallitic fissures formation formed fragments gibbsite goethite grains granitic holo-alteromorphs horizons hornblende iddingsite incipient weathering infilled intermineral internal intramineral iron crust iron oxyhydroxides irregular isalteritic isotropic isotropic material kaolinite layers linear lithorelics magnetite matrix meso-alteromorph mineralogical morphs natrolite nepheline nodules observed olivine ondary optical orientation original orthoclase orthopyroxene parallel partially peripheral photomicrograph pisoliths plagioclase planes plasma polyphase alteromorph pore-space PPL and XPL primary mineral processes pyroxene quartz regular remnants replaced residual pores result saponite secondary minerals secondary products septa septo-alteromorphs shape smectite smectite-group mineral soil stage of weathering surrounding texture thickness thin section tion transmineral fractures unweathered vermiculite volume weath weathered rock whereas