gossan Definition

auriferous, pegmatite, stockwork, breccia, limonite, porphyry, bornite, porphyritic, lamprophyre, arsenopyrite, felsite, gabbro, chalcocite, haematite, diorite, molybdenite, diabase, chalcopyrite, biotite, scheelite, outcrops, mineralized, silicified, anomalism, pyroxenite, siliceous, hornfels, hematitic, saprolite, silicic, sulphides, sericite, colluvium, greisen, veining, pyritic, eluvial, syenite, amphibolite, monzonite, lithology, brecciated, surficial, mylonite, chalcedonic, kimberlite, galena, stratiform, dacite, adularia, dunite, covellite, lateritic, supergene, granodiorite, veinlet, stibnite, dacitic, stratigraphy, fragmental, overlies, footwall, diamondiferous, allanite, chloritic, andesite, pelitic, epidote, alunite, fuchsite, siltstone, ankerite, lineament, veinlets, argillite, cherty, interbedded, albite, silicification, pelite, rhyolite, kaolinite, alluvium, eudialyte, adit, pyrophyllite, graben, greywacke, phyllite, schists, conglomeratic, anticline, sphalerite, illite, extensional, gneissic, arcuate, stratigraphic, sulfides, pitchblende,