Most of the advanced argillic assemblages at resolution formed at relatively low temperatures, stable with kaolinite and dickite. Argillic alteration is hydrothermal alteration of wall rock which introduces clay minerals. Request pdf mineralogy and ree geochemistry of argillic alteration zone of the asbkhan area in northwest of heris, nw iran intrusion of granodioritic and quartzdioritic igneous bodies of. Regional mapping of phyllic and argillicaltered rocks in the zagros. The concentrations of strontium in zones of advanced argillic alteration in the studied deposits and occurrences in the srednogorie and rhodopes regions is probably a widespread phenomenon. Pdf environments of advanced argillic alteration i. If you are viewing the pdf, or if you are reading this offline, please visit 10. Mapping argillic and advanced argillic alteration in volcanic rocks, quartzites, and. Alteration and mineralization at daralu porphyry copper. The detailed paragenesis of clay minerals in hydrothermally altered rocks is imperfectly known and needs much work for its clarification. Sericitic and advanced argillic mineral assemblages. Silicification is an extensive phenomenon in this alteration zone that lends a bleached white color to the rocks. Advanced argillic alteration forms at higher temperatures and lower ph conditions e.
Brief description in hypogene parts of porphyry copper deposits, the copper occurs predominantly in chalcopyrite. Pdf geochemistry of advanced argillic altered rocks in the area of. Mapping argillic and advanced argillic alteration in. Pdf timing of advanced argillic alteration at nankivel.
Mineralogy and ree geochemistry of argillic alteration. In the advanced argillic alteration of lithocap, zunyite is the only mineral containing cl. Sericitic and advanced argillic mineral assemblages and. Digital maps in geospatial pdf format are also provided that show the. In general the clay minerals form during the early stage, or advancing front of the alteration and are commonly converted to sericite as the process continues. Pdf the distribution and behaviour of major and trace elements in the main zones of hydrothermal alteration propylite, sericite and advanced. Argillic alteration and ore deposits economic geology. Pdf mapping argillic and advanced argillic alteration in volcanic. Ottawa advanced argillic alteration forms in five various 15, mainly shallow acidic environments, producing a variety of minerals that can include kaolinite, alunite and pyrophyllite. The general attributes of porphyry copper deposits are summarized below. Compositions of cl and f in zunyite also suggest that the study of zunyite. Mapping argillic and advanced argillic alteration in volcanic rocks, quartzites, and quartz. Mapping argillic and advanced argillic alteration in volcanic rocks.
942 630 1429 997 868 472 413 314 462 127 1187 74 315 409 996 178 564 1322 151 403 13 1458 616 1223 557 306 346 926 41 543 647 308 66 300 1462 847 377 511 96 653 257 335 1264