| | Journal (article/letter/editorial) | formation and evolution of the Bitincke nickel laterite deposit, Albania Robert Thorne & Stephen Roberts...2012 Abstract The Bitincke nickel laterite deposit, located in the south east of Albania, contains an estimated...mudstones. Keywords Nickel laterite . Albania . Weathering . Bitincke Introduction Nickel laterites are...over 16 reported nickel laterite occurrences in Albania (Fig. 1) that together contain a total Ni reserve...The Bitincke laterite is located in the south east of Albania, 40 km east from the town of Korçë and | | Fu, Wei, Feng, Yangyang, Luo, Peng, Zhang, Yinmeng, Huang, Xiaorong, Zeng, Xiangwei, Cai, Qian, Zhou, Yongzhang (2019) Weathering of Ophiolite Remnant and Formation of Ni Laterite in a Strong Uplifted Tectonic Region (Yuanjiang, Southwest China) Minerals, 9 (1) 51 doi:10.3390/min9010051 | Journal (article/letter/editorial) | located in the southwestern portion of Yuanjiang county, Yunnan Province, Southwest China (Figure 1a)....and consists of granitic gneiss, quartz-feldspar-biotite gneiss, quartz-mica schist and banded marble....concretions and quartz grains in of and (f) concretions of hematite and goethite and quartz grains in the...limonite quartz; Px, Abbreviations: Go, goethite; Hem, hematite; Srp, serpentine; Qv, quartz; Px, pyroxene;...products. Quartz isinalso showing robust status than serpentine the weathered products. Quartz is also | | | Book | are intergrown from the Trill “offset inclusion quartz dyke” associated with the Sudbury Complex, Canada...greenish Pentlandite from the Trill “offset inclusion quartz dyke” associated with the Sudbury Complex, Canada...“saffron”). The mineral is found in gold-bearing quartz veins traversing granite or gneisses in the presence... The deposits occur as hydrothermal auriferous quartz veins in igneous and metamorphic rocks, volcanic...discovered in Calaveras County, California, in 1861 and named for the county. 16 1. INTRODUCTION | | | Journal (article/letter/editorial) | goethite and limonite containing detrital grains of quartz, chromite, and chlorite. These differ from typical...PT chlorite, Fe-chlorite (chamosite), rutile, quartz, calcite, chromite, AlOOH polymorphs boehmite ...angular fragments, containing detrital grains of quartz, chromite, and chlorite (Fig. 5; Table 3) and may...formation and evolution of the Bitincke nickel laterite deposit, Albania. Miner Deposita, 47, 933–947....c,-d: Dark gray goethite with abundant detrital quartz (Qtz) and chromite (chr) grains of varying sizes | | | Journal (article/letter/editorial) | stockworks of calcite as well as white aggregates of quartz and clay minerals are found in the saprolite zone...Ibra is dominated by kaolinite and clinochlore. Quartz and hematite are abundant in the lower and upper...calcite- and quartz-filled fractures Silcrete layers Very fine-grained amorphous silica or quartz crossed...and clinochrysotile maghemite, calcite, dolomite, quartz, saponite, clinochlore, nepouite and willemseite...chrysoprase (Ibra) Mmontmorillonite and quartz (Tiwi profiles) Maghemite, quartz, clinochlore, antigorite, saponite | | | Journal (article/letter/editorial) | brine and carbonic fluid were trapped in pegmatitic quartz at 700–715uC, some of which also contained ‘accidental’...minerals which are generally encapsulated within quartz and kaolinite matrix. There is also up to 0?02...phases include potassium feldspar, ferroan dolomite, quartz, and chlorite with minor biotite. The majority...dyke-like structures and here it contains anhedral quartz phenocrysts ((0?7 cm) and up to 2 vol.-% of euhedral...daughtermineral-free fluid inclusions hosted in quartz phenocrysts and non-corroded fresh apatite in the |
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