 | Rajabzadeh, Mohammad Ali, Haddad, Fatemeh, Polgári, Márta, Fintor, Krisztián, Walter, Heléna, Molnár, Zsombor, Gyollai, Ildikó (2017) Investigation on the role of microorganisms in manganese mineralization from Abadeh-Tashk area, Fars Province, southwestern Iran by using petrographic and geochemical data. Ore Geology Reviews, 80. 229-249 doi:10.1016/j.oregeorev.2016.06.035 | Journal (article/letter/editorial) | | 1997; Shah and Khan, 1999; Valix et al., 2001; Ehrlich, 2002; Maruthamuthu et al., 2002; Acharya et al...the E and to the ophiolites in the Mediterranean region, such as Turkey, Troodos, and East Europe in the...border. The Abadeh-Tashk area as a small mining district contains several chromium (hosted by dunite),...predominant phases in the host chert of these ore types. Albite and calcite as trace phases were found in one chert... pyrolusite Calcite, rancieite Calcite Albite, calcite Albite, calcite Calcite – 238 M.A. Rajabzadeh |  | | Journal (article/letter/editorial) | | from the Karkonosze composite pluton (Poland, Czech Republic) Katarzyna Lisowiec, Ewa Słaby, Hans-Jürgen...from the Karkonosze composite pluton (Poland, Czech Republic), LITHOS (2015), doi: 10.1016/j.lithos.2015...from the Karkonosze composite pluton (Poland, Czech Republic) Institute of Geological Sciences, Polish...plutonic complex or the KrkonošeJizera pluton in the Czech literature and the Riesengebirge in German T literature)...in this study was created and shared by Robert Ehrlich (Residuum Energy Inc., Salt Lake City, UT) and |  | Argapadmi, Windeati, Toth, Eniko R., Fehr, Manuela A., Schönbächler, Maria, Heinrich, Christoph A. (2018) Silver Isotopes as a Source and Transport Tracer for Gold: A Reconnaissance Study at the Sheba and New Consort Gold Mines in the Barberton Greenstone Belt, Kaapvaal Craton, South Africa☼. Economic Geology, 113 (7) 1553-1570 doi:10.5382/econgeo.2018.4602 | Journal (article/letter/editorial) | | to tectono-metamorphic (orogenic) history of the region evolved over an extended period between 3547 and...magmatic event extended well beyond the Barberton region, as indicated by hydrothermally altered intrusions...Section X – Y: Sheba mine Eureka veins Golden quarry X C Y Eureka syncline +500 m sea level –500...lithosphere delamination in an extensive back-arc region (de Ronde et al., 1991; Poujol et al., 2003; Zeh...of 20% silica-rich minerals, including quartz, albite, biotite, and tourmaline, without any Downloaded |  | Kim, Yeongmin, Lee, Insung, Oyungerel, Sodnom, Jargal, Luvsanchultem, Tsedenbal, Tserenjav (2019) Cu and S isotopic signatures of the Erdenetiin Ovoo porphyry Cu-Mo deposit, northern Mongolia: Implications for their origin and mineral exploration. Ore Geology Reviews, 104. 656-669 doi:10.1016/j.oregeorev.2018.11.025 | Journal (article/letter/editorial) | | Sciences, Seoul National University, Seoul 08826, Republic of 9 Korea 10 b. School of Arts and Sciences...as well as ore deposits (Larson et al., 2003; Ehrlich et al., 2004; 54 Graham et al., 2004; Rouxel...Geology 145 6 146 The Erdenetiin Ovoo ore district occurs within a 20–25-km-diameter structure embracing...mineralization in the Erdenetiin Ovoo ore 149 district is associated with the Erdenet porphyry complex...well-developed (Fig. 5D). Feldspar with distinct albite twinning occurs, and 213 quartz shows an isometric |  | Shah, Sajjad Ahmad, Shao, Yongjun, Zhang, Yu, Zhao, Hongtao, Zhao, Lianjie (2022) Texture and Trace Element Geochemistry of Quartz: A Review. Minerals, 12 (8) 1042 doi:10.3390/min12081042 | Journal (article/letter/editorial) | | to snowball quartz (highly evolved topaz bearing albite granite), but it does not form double-ended crystals...concentration (i.e., the Cinovec and Zinnwald deposits, Czech Republic) [12,41,86]. Additionally, this Ti (as well...tin mining district (Germany), the Kasperske Hory gold quartz vein deposits (Czech Republic), and the...mineralization: The Beauvoir Granite (Echassières district), France. Lithos 2018, 320–321, 355–377. [CrossRef]...Altenberg—Teplice caldera (Krušné hory/Erzgebirge Mts, Czech Republic/Germany): Insights into the volcano-plutonic |  | | Journal (article/letter/editorial) | | and c cell dimensions (Figs. 1 and 906 VOGEL, EHRLICH, AND LUTH 2). The patterns of such deviations...b and Non plotted against Non. A' Sanidine-high albite (Luth and Querol-Suir6, l97O); B. Orthoclase series... Orville-l: Sanidine-high albite (Orville, 1967); D. Microcline-low albite (Waldbaum, 1966; Waldbaum...and Robie, 1'9'71);E. Orville-2: MicroclineJow albite (Orville, 1967). PARAMETERS AND COMPOSITION...Coefficients of the Five Series Sanidine-High (Luth Albite aoo "o* and Querol-Sune, .930 .931 .937 |  | | Report (chapter) | | 2003). In this study, water content of the clear region of feldspar was analysed using the following relationship:...in this study was created and shared by Robert Ehrlich RI (Residuum Energy Inc., Salt Lake City, UT)...plagioclase, causing its recrystallization into albite. The PVA simulation shows that in contrast to alkali...guest on January 8, 2019 batholith. This entire region has been active for a long period of time, as is...Geological Society of India, 84, 5 28. Johnson, G.W., Ehrlich, R. & Full, W. 2002. Principal components analysis |  | | Journal (article/letter/editorial) | | in the evolution of other granitoids from this region. Received 13 January 2017 Accepted 4 April 2017...particularly in the Trevejo area, including quartz, albite, microcline, muscovite, and apatite. Quartz-, feldspar...perthitic textures with coarse veins to patches of albite within a matrix of Or88-100Ab0-12. These irregularly...upon dehydration melting reactions in the source region. Experimental studies of accessory mineral saturation...7) suggest the absence of garnet in the source region. Taking into account the model proposed by Bea |  | | Journal (article/letter/editorial) | | characteristics during metamorphism. Features svdl as albite rimming, occurrence of discrete compositional zoning:...positions for theoretical minimum surface energy. Ehrlich et al. (1972) found a strong response of surface...Provence of southeastern Ontario (Chapman 1968, Ehrlich et al. 1972). This gneiss is a lenticular granodioritic...response of textural variables to the gradient. Ehrlich et al. (1972) find that both shape and ~mrface...by internal defects (Fig. 7). In both grades the albite rims are free of microcline impurities. Small quartz |  | Hao, Xiluo, Leung, Kwunlun, Wang, Rucheng, Sun, Weidong, Li, Yiliang (2010) The geomicrobiology of bauxite deposits. Geoscience Frontiers, 1 (1) 81-89 doi:10.1016/j.gsf.2010.06.001 | Journal (article/letter/editorial) | | pyrite, zircon, calcium plagioclase, orthoclase, and albite have been investigated as part of an analysis of...(Bucher, 1921; Zajic, 1969; Natarajan et al., 1997; Ehrlich, 2002). If this is correct, the related biomineralization...zircon, pyrite, calcium plagioclase, orthoclase and albite. Because of the colloidal features of many bauxite...Biomineralization from oxidized to reduced environments Ehrlich (2002) suggested that rock weathering resulting...similar bacterial cultures with similar physiology (Ehrlich and Wichert, 1997). Here, we review biomineralization |  | | Journal (article/letter/editorial) | | alteration greater than 200 ft, to calcite and albite; primary K~ Mineralogical studies of drill cores...1962), a process illustrated by the reaction: 3 Albite + 2H+ + K+ = Muscovite + 3Na + + 6SiOz, in...= + 101 + H10 = SOl = S03 H 1 S0 4 · As Ehrlich and Schoen (1967) pointed out, although H1S oxidizes...Karavaiko, 1967; Zavarzin et al., 1967; Schoen and Ehrlich, 1968; Ivanov et al., 1968) that catalyze the oxidation...the expression 'acid-altered areas' (Schoen and Ehrlich, 1968) or simply 'bleached rocks' and 'areas of |  | | Journal (article/letter/editorial) | | Contr. Mineral. and Petrol. 25, 138--143 (1970) Albite-Rich Domains in Potash Feldspar TEOMAS A. VOOV...preexsolution stage with sodium atoms clustering f~ form albite domains coherent with the overall lattice. Orthoclase...in composition from one up to 14 weight percent albite, and ranging in size from 2 to 10 microns are present...concentrations of albite (less than 15 weight percent albite) and exsolve forming incoherent albite grains. Introduction...feldspars the matrix contains variable amounts of albite. This note is a detailed report on these feldspars |  | | Journal (article/letter/editorial) | | nucleation sites for mineral precipitation (e.g., Ehrlich, 1981; Ferris et al., 1988). The end result is...and alteration (e.g., Kuznetsov et al., 1963; Ehrlich, 1981; Krumbein, 1983; Chilingarian and Wolf, 1988)...microcline (KA1Si308; Keystone, South Dakota), albite (NaAISi3Os; Bancroft, Ontario), anorthoclase ((NaK)A1Si308;...populations of variable morphology and density. Albite, olivine and biotite, surfaces are not visibly...reveals an irregularly roughened surface (Fig. 3A). Albite, olivine, and biotite surfaces are uncolonized |  | | Journal (issue) | | JANUARY–FEBRUARY 2019 Articles The Almadén mining district, Ciudad Real, Spain ............................ Maharashtra, India 6 cm The Almade;n Mining District, Ciudad Real, Spain Borja Sainz de Baranda Graf...Alcala de Henares (Spain) The Almadén Mining District exploited the largest mercury deposit in the world...in 2012, the district was declared a World Heritage Site by Unesco. The Almadén District has yielded excellent...donharrisite. INTRODUCTION The Almadén mining district exploited the largest mercury deposit in the world |  | Słaby, Ewa, De Campos, Cristina P., Majzner, Katarzyna, Simon, Klaus, Gros, Katarzyna, Moszumańska, Izabela, Jokubauskas, Petras (2017) Feldspar megacrysts from the Santa Angélica composite pluton — Formation/transformation path revealed by combined CL, Raman and LA-ICP-MS data. Lithos, 277. 269-283 doi:10.1016/j.lithos.2016.09.016 | Journal (article/letter/editorial) | | compared with older arc gabbros from this same region (ca. 600 Ma, De Campos et al. 2016; Tedeschi et...Algorithm (normalization of spectra to the 80-1700 cm-1 region using the Manhattan normalization mode). The mean...in this study was created and shared by Robert Ehrlich (Residuum Energy Inc., Salt Lake City, UT) and...with thinner granitic lenses (Figure 1). In this region, K-feldspar feldspar megacrysts with complex rapakivi...plagioclase crystals show intermediate compositions with albite to anorthite ratios of 1:1. The trace elements |  | | Book | | lava from the Roccamonfina volcano in the Campania region of Italy, which last erupted in A.D. 2 76, and...I have ever visited was exposed by the Francon quarry on Montreal P L AT E 1 4 Pyrochlore crystals...technology. P L AT E I S Weloganite. Francon quarry, Montreal, Quebec. 4.s-cm crystal. Named for W...Unlike most carbonatites, those in the Francon quarry occur assills. A sill is a flat, sheetlike intrusion...example. Because the carbonatites in the Francon quarry formed sills, when the magma intruded the enclosing |  | | Journal (article/letter/editorial) | | etal.1994) and at temperaturesexceeding100 "C (Ehrlich 1996). Little is known, however, about subsurface...from some crystalline phosphate minerals as well (Ehrlich 1996). Important primary mineral sources of P include...these insoluble sources(Babu-Khan et al. 1995; Ehrlich 1996), including the production of mineral or organic...to be a complex mixture of plagioclase (-Abuo), albite, and muscovite, but without detectableP, while...presentas small apatite inclusions in intergrown albite (Fig. 1), and much of it is "available" P based |  | | Journal (article/letter/editorial) | | includespyrochlore,microlite, niocalite,nepheline,albite, wollastonite,olivine, phlogopite,melanite, melilite...W. H., 1952, The geology of Chishanya, Buhera District, Southern Rhodesia: Edin. Geol. Soc. Trans., v...97-110. B./tCTERL/tL .4CTION H. ON ORPIMENT L. EHRLICH INTRODUCTION Orpiment is oxidized by Ferrobacilhtsferroo |  | | Journal (article/letter/editorial) | | discussedby Albee et al. (1977),Quick et al. (1981),Ehrlich et al. (1984),Jones(1985),Nichollsand Srour(1986)...that employed in optical petrographyin that an albite or Pyman et al., 1978). The calibration curves...regions of volcanic, plutonic, and fication of albite. Volume percentagesof minerals obmetamorphic feldspar...river such as the Mississippi that drains a large region eight mineral and grain t1,pesin the Cubits Gap...Coast Associationof GeologicalSocieties,36,441447 Ehrlich,R., Kennedy,S.K, Crabtree,S J., and Cannon,R L |  | El Desoky, Hatem M., Shahin, Taher M., Abu El‐Leil, Ibrahim, Shafea, Ezzat A. (2020) Geology and mapping of laterites, South Eastern Desert, Egypt: Based on field and ASTER data approach. Geological Journal, 55 (6). 4252-4264 doi:10.1002/gj.3640 | Journal (article/letter/editorial) | | and geochemical attributes of the investigation region. Laterites are distributed at the border between...and metasedimentary rocks (Grothaus, Eppler, & Ehrlich, 1979; Abd El‐Wahed & Kamh, successions and (3)...carbonate rocks (trans- itic soil at the WDWS district, South Eastern Desert, Egypt. formed serpentinites)...amounts produced in the southern part of the study district, especially at wadi (Figure 6e). Hematite is...the fresh rocks. occurs fine‐minute crystal with albite‐type twinning that developed SiO2, Al2O3, TiO2 |  | | Journal (article/letter/editorial) | | Mineralization Associated with the Boléo Cu-Co-Zn District, Mexico ANDREW G. CONLY,†,1 STEVEN D. SCOTT,2...within stratiform ore beds or mantos, the Boléo district of central Baja, Mexico, also contains significant...water table. Introduction THE BOLÉO Cu-Co-Zn district, situated midway along the eastern side of the...exceed 20 wt percent Mn. In the northwestern region of the district, Mn grades and tonnages (0.3 Mt averaging...Santa Rosalía district. Inset map shows the location of Baja California and the Boléo district relative to |  | | Journal (article/letter/editorial) | | 8 weight percent albite with most analysesfalling between 4.0 and 5.0 percent albite. The composition...shows compositional variations of up to 2.5 percent albite; the larger range existsbetween grains in different...traverses across these microcline blebs show that albite does not exist as a separate phase within these...The 201 peak of plagioclase was interpreted as an albite peak from perthite. In the present study, dozens...improvement. Special thanks are given to Robert Ehrlich {or his stimulating discussion of the overall problem |  | | Journal (article/letter/editorial) | | feldspars, with microcline to plagioclase (including albite) ratios ranging from 1:4.5 up to 1:2.5. The Mt...occurs as inclusions (sometimes with cores), and albite as exsolution lamellae, in the microcline. Textures...composition: sample 851 is notable for its clear acicular albite (Ans) and fresh fine-grained garnet and lepidolite...feature. The alteration products are monocrystalline albite (Ans-7) and inclusions of sericite and microcrystalline...grain size and mineralogy of the final product (Ehrlich et al., 1972). The degree of attainment of this |  | Harrison, H., Wagner, D., Yoshikawa, H., West, J. M., Milodowski, A. E., Sasaki, Y., Turner, G., Lacinska, A., Holyoake, S., Harrington, J., Noy, D., Coombs, P., Bateman, K., Aoki, K. (2011) Microbiological influences on fracture surfaces of intact mudstone and the implications for geological disposal of radioactive waste. Mineralogical Magazine, 75 (4) 2449-2466 doi:10.1180/minmag.2011.075.4.2449 | Journal (article/letter/editorial) | | Beveridge et al., 1997; Konhauser et al., 1998; Ehrlich, 1999; Tuck et al., 2006; Konhauser, 2007). Consequently...this basin extends north–south in the northern district of Hokkaido, and is filled by a sequence of Cretaceous...analysis. Crystalline mineralogy in wt.%. Mineral Albite Chlorite Halite ‘Kaolin’ K-feldspar ‘Mica’ Pyrite...contain major amounts of quartz (mean ~39.8%), albite (mean ~19.8%) and ‘mica’ (undifferentiated mica...small amounts of kaolinite and chlorite. Quartz and albite were also identified in the <2 mm fractions of the |  | Wang, Peng, Dong, Guochen, Santosh, M., Liu, Kairan, Li, Xuefeng (2017) Copper isotopes trace the evolution of skarn ores: A case study from the Hongshan-Hongniu Cu deposit, southwest China. Ore Geology Reviews, 88. 822-831 doi:10.1016/j.oregeorev.2016.11.023 | Journal (article/letter/editorial) | | isotope variations among transition metal isotopes (Ehrlich et al., 2004). It is also a direct tool to evaluate...skarn-type ore-bodies in the Hongshan-Hongniu district. The objectives of this paper are: (1) to investigate...tectonic framework and deposit geology The Sanjiang region was formed through the closure of the Paleo-Tethys...the Zhongdian Arc (Fig. 1a). In Hongshan-Hongniu district, the strata are dominated by the Triassic Qugasi...hornfels, covering an area of 20 km2, is composed of albite, biotite, quartz and sericite. In the Hongshan |
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