 | | Journal (article/letter/editorial) | | com/locate/apgeochem Weathering of the New Albany Shale, Kentucky, USA: I. Weathering zones defined by mineralogy and...a bed of Devonian New Albany Shale in eastern Kentucky are documented. Samples were collected from unweathered... Secondary minerals include jarosite, gypsum, goethite, amorphous Fe(III) oxides and Fe(II)-Al sulfate...abundant efflorescent salt, jarosite and minor goethite. Intensely weathered shale (Zone C) is depleted...its primary quartz, illite and illite–smectite. Goethite and amorphous FE(III) oxides increase due to hydrolysis |  | Liermann, Laura J., Mathur, Ryan, Wasylenki, Laura E., Nuester, Jochen, Anbar, Ariel D., Brantley, Susan L. (2011) Extent and isotopic composition of Fe and Mo release from two Pennsylvania shales in the presence of organic ligands and bacteria. Chemical Geology, 281 (3) 167-180 doi:10.1016/j.chemgeo.2010.12.005 | Journal (article/letter/editorial) | | composition of Fe and Mo release from two Pennsylvania shales in the presence of organic ligands and bacteria...16802, USA Department of Geology, Juniata College, 1700 Moore St., Huntingdon, PA 16652, USA School of...Arizona State University, Tempe, AZ 85287-1404, USA d Department of Chemistry and Biochemistry, Arizona...Arizona State University, Tempe, AZ 85287-1604, USA b c a r t i c l e i n f o Article history: Received...Pennsylvania shales with different mineralogies: an olive to grey shale (Rose Hill) and a black shale (Marcellus) |  | | Journal (article/letter/editorial) | | Springer-Verlag 1991 Ni-Mo-PGE-Au-rich ores in Chinese black shales and speculations on possible analogues in the...1990/Accepted: December 1990 Abstract. Molybdenum-rich black shales from the Cam- brian of south China contain...occur in Canada. In the U.S. Midwest, Paleozoic black shales contain an extensive Mo anomaly and sporadic...Mo, V, Cu, U, Ba and Ag from lower Cambrian black shales in ten provinces in south China, including Yunnan...Hunan, Jiangxi and Zhejiang (Fig. 1). Black illitic Cambrian shales from these occurrences average 350ppm |  | | Journal (article/letter/editorial) | | Trace Elements from Short-term Weathering of a Black Shale Robert B. Perkins, Charles E. Mason PII: DOI:...Trace Elements from Short-term Weathering of a Black Shale, Applied Geochemistry (2015), doi: http://dx...Trace Elements from Short-term Weathering of a Black Shale Robert B. Perkins*, Charles E. Mason# * Department...rperkins@pdx.edu tel: +1-503-725-3387 i Abstract Black shales contain high concentrations of trace elements...during shale gas development and future mining of black shales for extraction of shale oil. The Sunbury Shale |  | Helz, G.R., Miller, C.V., Charnock, J.M., Mosselmans, J.F.W., Pattrick, R.A.D., Garner, C.D., Vaughan, D.J. (1996) Mechanism of molybdenum removal from the sea and its concentration in black shales: EXAFS evidence. Geochimica et Cosmochimica Acta, 60 (19) 3631-3642 doi:10.1016/0016-7037(96)00195-0 | Journal (article/letter/editorial) | | Copyright 0 1998 klsevier Science Ltd Printed in the USA. All rights reserved OiI16-7037/96 $15.00 + .OO ...removal from the sea and its concentration in black shales: EXAFS evidence G. R. HELZ,’C. V. MILLER,‘**...University of Maryland, College Park, MD 20742, USA ‘Daresbury Laboratory, Warrington WA44AD, UK 3Department...about the chemical environment of MO in high-MO black shales and sediments. Two spectral types are found...Cretaceous Geep sea sediments and with other black shales, is characterized by short MO-O distances ( |  | | Journal (article/letter/editorial) | | roles as indicators of biological activity in black shales H. Catherine W. Skinner Yale University, Department...and Geophysics, New Haven, Connecticut 06511-8130. USA (Received July 9, 1992) Skinner, H.C.W., 1993....roles as indicators of b,~ologicalactivity in black shales. In: B. Nagy, J.S. Leventhal and R.I. Grauch...Grauch (Editors), Metalliferous Black Shales and Related Ore Deposits. Precambrian Res., 61: 209-229. Biological...formation and diagenesis in sediments such as black shales. Introduction T h e o c c u r r e n c e o f |  | Yu, Changxun, Lavergren, Ulf, Peltola, Pasi, Drake, Henrik, Bergbäck, Bo, Åström, Mats E. (2014) Retention and transport of arsenic, uranium and nickel in a black shale setting revealed by a long-term humidity cell test and sequential chemical extractions. Chemical Geology, 363. 134-144 doi:10.1016/j.chemgeo.2013.11.003 | Journal (article/letter/editorial) | | and transport of arsenic, uranium and nickel in a black shale setting revealed by a long-term humidity cell...SE-39182 Kalmar, Sweden Environmental and Water Unit, County Administrative Board of Gotland, SE-62185 Visby...online 16 November 2013 Editor: J. Fein Keywords: Black shale Sequential chemical extractions Humidity cell...in an old black-shale mining area (unweathered black shale, weathered black shale, burnt black shale, and...and lime-mixed burnt black shale) were subjected to a long-term (up to 137 weeks) humidity cell test |  | Armstrong, Joseph G.T., Parnell, John, Bullock, Liam A., Boyce, Adrian J., Perez, Magali, Feldmann, Jörg (2019) Mobilisation of arsenic, selenium and uranium from Carboniferous black shales in west Ireland. Applied Geochemistry, 109. 104401 doi:10.1016/j.apgeochem.2019.104401 | Journal (article/letter/editorial) | | arsenic, selenium and uranium from Carboniferous black shales in west Ireland T ⁎ Joseph G.T. Armstronga...environmental management strategies. Carbonaceous black shales are commonly rich in trace elements relative...(regolith) associated with black shales at surface. In this study, Carboniferous shales on the west coast of...Bowland Shales, UK. Groundwater penetration and oxidative weathering of these pyritic black shales produces...produces oxide deposits, dominated by goethite and jarosite, which are significantly enriched in As (44–468 |  | Orberger, B., Vymazalova, A., Wagner, C., Fialin, M., Gallien, J.P., Wirth, R., Pasava, J., Montagnac, G. (2007) Biogenic origin of intergrown Mo-sulphide- and carbonaceous matter in Lower Cambrian black shales (Zunyi Formation, southern China) Chemical Geology, 238 (3) 213-231 doi:10.1016/j.chemgeo.2006.11.010 | Journal (article/letter/editorial) | | Mo-sulphide- and carbonaceous matter in Lower Cambrian black shales (Zunyi Formation, southern China) B. Orberger...centimeters thick polymetallic stratiform layer in black shales above phosphorites, cherts, dolomites and barite...zooplankton at hydrothermal vents. The mineralized shales are crosscut by hydrothermal veins composed of...Elsevier B.V. All rights reserved. Keywords: Black shales; Nitrogen; Carbon; Mo-sulphide; Anthracite-like...Geology 238 (2007) 213–231 1. Introduction Black shales are in general enriched in molybdenum (e.g. |  | | Journal (article/letter/editorial) | | this area, several other countries, such as the USA, Australia, Turkey, and Sweden have successfully...composition from aluminous bauxites to hematite, goethite, and deposits, which may range in composition...composition from aluminous bauxites to hematite, goethite, titanium sands, as well as REE [20]. Recently, Jo and...particularly in monazite and allanite [26]. Black shales can also be considered as a secondary resource...REE enrichment (average 255.3–325.3 µg/g) in black shales of the Safaga-Qussier sector, Egypt. Another |  | Rowe, Harry D., Loucks, Robert G., Ruppel, Stephen C., Rimmer, Susan M. (2008) Mississippian Barnett Formation, Fort Worth Basin, Texas: Bulk geochemical inferences and Mo–TOC constraints on the severity of hydrographic restriction. Chemical Geology, 257 (1) 16-25 doi:10.1016/j.chemgeo.2008.08.006 | Journal (article/letter/editorial) | | of Texas at Arlington, Arlington, TX 76019-0049, USA Bureau of Economic Geology, The University of Texas...78713-8924, USA Earth and Environmental Sciences, 101 Slone Research Building, University of Kentucky, Lexington...Lexington, KY 40506-0053, USA a r t i c l e i n f o Article history: Received 25 November 2007 Received...August 2008 Editor: D. Rickard Keywords: Euxinia Black shale Molybdenum Deep-water renewal Iron cycling...Chemostratigraphic evidence from the Barnett Formation (Texas, USA) elucidates the restricted nature of the depositional |  | Duan, Yun, Severmann, Silke, Anbar, Ariel D., Lyons, Timothy W., Gordon, Gwyneth W., Sageman, Bradley B. (2010) Isotopic evidence for Fe cycling and repartitioning in ancient oxygen-deficient settings: Examples from black shales of the mid-to-late Devonian Appalachian basin. Earth and Planetary Science Letters, 290 (3) 244-253 doi:10.1016/j.epsl.2009.11.052 | Journal (article/letter/editorial) | | ancient oxygen-deficient settings: Examples from black shales of the mid-to-late Devonian Appalachian basin...AZ 85287, USA Department of Earth Sciences, University of California, Riverside, CA 92521, USA School of...85287, USA d Department of Geological Sciences, Northwestern University, Evanston, IL 60208, USA b c a...Editor: M.L. Delaney Keywords: iron isotopes black shales ocean redox pyrite paleo-redox a b s t r a...samples and chemically extracted pyrite in two black shale units: the Oatka Creek Formation (OCF) and |  | | Journal (article/letter/editorial) | | Sciences, Indiana University, Bloomington, IN 47405 USA Abstract: 497 words Text: 5260 words Figures: 6...sedimentary rocks, such as pelagic sediments or black shales. The secular trend in molar Ni/Fe ratios in...high temperatures (Das et al., 2010), with minor goethite (< 10 %) simultaneously formed as an intermediate...previous studies documented, formation of some goethite during transformation is inevitable and is favored...minimize the risk of forming a considerable amount of goethite in our experiments, hematite was synthesized using |  | | Report (issue) | | C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...updated “check list” just alluded to, (2) a county-by-county listing of the minerals, and (3) resumes of...(Haydcnitc) 9 Virginia Mineral Localities by County This list is included for possible aid in planning...listed only* if localities arc given for them. The county lists do not include com mon rock-making materials...to occur only as traces. ACCOMACK COUNTY: none given. ALBEMARLE COUNTY: actinolitc, agate, almandine, amethyst |  | Ling, Sixiang, Wu, Xiyong, Ren, Yong, Sun, Chunwei, Liao, Xin, Li, Xiaoning, Zhu, Baolong (2015) Geochemistry of trace and rare earth elements during weathering of black shale profiles in Northeast Chongqing, Southwestern China: Their mobilization, redistribution, and fractionation. Geochemistry, 75 (3) 403-417 doi:10.1016/j.chemer.2015.07.004 | Journal (article/letter/editorial) | | trace and rare earth elements during weathering of black shale profiles in Northeast Chongqing, Southwestern...form 17 June 2015 Accepted 16 July 2015 Keywords: Black shale Trace and rare earth elements Chemical weathering...redistribution of trace elements and REEs during black shale chemical weathering. © 2015 Elsevier GmbH...al., 2014), including weathering profiles from black shales (Peng et al., 2004; Tuttle et al., 2009; Ma...trace and rare earth elements during weathering of black shale profiles in Northeast Chongqing, Southwestern |  | Díaz-Acha, Yael, Campeny, Marc, Casas, Lluís, Di Febo, Roberta, Ibañez-Insa, Jordi, Jawhari, Tariq, Bosch, Josep, Borrell, Ferran, Jorge-Villar, Susana Esther, Greneche, Jean-Marc, Tauler, Esperança, Melgarejo, Joan Carles (2022) Colours of Gemmy Phosphates from the Gavà Neolithic Mines (Catalonia, Spain): Origin and Archaeological Significance. Minerals, 12 (3) 368 doi:10.3390/min12030368 | Journal (article/letter/editorial) | | cryptocrystalline mixtures with jarosite, phosphosiderite, or goethite, variscite tends to acquire a greenish brown to...basement. These correspond to sulphide-rich black shales of Llandoverian age and interbedded with layers...reaching the original black colour at a depth of 15 m. The variation in colour of the shales has been attributed...the apatite beds and altered the illite from the shales, which explains the occurrence of aluminophosphates...top of the mines (beginning of the bleached black shales) to the base of the mines, and focusing on supergene |  | | Journal (article/letter/editorial) | | at mouth of Silver Creek near Edinburg, Portage County. Figure 1 (left). Rosanna Carlson sitting in dolostone...septarium, Copperas Mountain near Spargursville, Ross County. Ernest Carlson photo. Figure 3. Map showing mineral...sulfides and/or black bituminous matter in the concretion matrix or enclosing shales show that the matrix...dolostone concretions are a prominent feature of the black shales in the Late Devonian Huron Shale. Two beds of...whcwellile, apatite, sphalerite Late Devonian black shales (Huron Shale) irnnMune siderite. i Díte, quartz |  | | Journal (article/letter/editorial) | | Copyright© 1997 ElsevierScienceLtd Printed in the USA. All rights reserved 0016-7037/97 $17.00 + .00 Pergamon...Harvard University, Cambridge, Massachusetts 02138,USA 3Department of Geosciences, The Pennsylvania State...University, University Park, Pennsylvania 16802, USA (Received January 10, 1996; accepted in revised form...graywackegray shales of the Rowsell Harbour, Reddick Bight and Nullataktok Formations, and black shales of the...chemistry. The black shales show lower concentrations than the graywackes-gray shales in TiO2 (0.3-0 |  | Heidari, Peyman, Li, Li, Jin, Lixin, Williams, Jennifer Z., Brantley, Susan L. (2017) A reactive transport model for Marcellus shale weathering. Geochimica et Cosmochimica Acta, 217. 421-440 doi:10.1016/j.gca.2017.08.011 | Journal (article/letter/editorial) | | productive shale-gas formations is the Marcellus, a black shale that is rich in organic matter and pyrite...globally (Suchet et al., 2003) while subsurface shales are now contributing close to half of the natural...Of particular importance in gas production are black shale formations that are rich in organic material...Trace metals are also released during weathering of black shale at the land surface (Chapman et al., 2012;...addition, such models can be used to understand black shale weathering and the long-term controls on oxygen |  | | Journal (article/letter/editorial) | | and F. ALBAREDE:Nd isotopes in French Phanerozoic shales: external vs. internal aspects of crustal evolution...Forthcoming Issues MARCH Articles HANSP. EUGSTER:Oil shales, evaporites and ore deposits 619 F. J. RYERSON:Oxide...potassium feldspars from three zoned pegmatites, Black Hills, South Dakota: Implications concerning pegmatite...ultramafic rocks in the Coyote Peak diatreme, Humboldt County, California 149 STEVENJ. FRITZ and CRAIGD. E...petrogenesis of lamproites, Late Cretaceous Age, Woodson County, Kansas, U.S.A. . 1383 JOHN R. FARVERand BRXJNO |  | Fischer, Cornelius, Schmidt, Christian, Bauer, Andreas, Gaupp, Reinhard, Heide, Klaus (2009) Mineralogical and geochemical alteration of low-grade metamorphic black slates due to oxidative weathering. Geochemistry, 69 (2) 127-142 doi:10.1016/j.chemer.2009.02.002 | Journal (article/letter/editorial) | | geochemical alteration of low-grade metamorphic black slates due to oxidative weathering Cornelius Fischera...University, 6100 Main Street, Houston, TX 77005, USA b Received 4 December 2008; accepted 23 February...February 2009 Abstract Low-grade metamorphic black slates of Silurian and Lower Devonian ages (from the Thüringisches...alterations that occur during the oxidative weathering black slates. The slates exhibit an intense total organic...to oxidative weathering. The organic matter in black slate consists mainly of non-pyrolysable material |  | | Journal (article/letter/editorial) | | enrichment and isotopic composition in Paleozoic black shales Michael A. Kipp, Thomas J. Algeo, Eva E. Stüeken...enrichment and isotopic composition in Paleozoic black shales, Geochimica et Cosmochimica Acta (2019), doi:...enrichment and isotopic composition in Paleozoic black shales Michael A. Kippa,b,*,†, Thomas J. Algeoc,d...University of Washington, Seattle, WA, 98195-1310, USA Virtual Planetary Laboratory, NASA Nexus for Exoplanet...98195-1310, USA c d e Department of Geology, University of Cincinnati, Cincinnati, OH 45221-0013, USA State |  | Yesares, Lola, Sáez, Reinaldo, Nieto, José Miguel, de Almodóvar, Gabriel Ruiz, Cooper, Stephen (2014) Supergene enrichment of precious metals by natural amalgamation in the Las Cruces weathering profile (Iberian Pyrite Belt, SW Spain) Ore Geology Reviews, 58. 14-26 doi:10.1016/j.oregeorev.2013.10.004 | Journal (article/letter/editorial) | | lower part of the gossan profile including a sheared black shale level where the gossan makes contact with...migrating fluids with high reductant lithologies (black shales and massive sulfides) seems to be responsible...alwaysassociated with felsic–volcaniclastic and/or black shale sequences. Geochronologic data have constrained...2000). Palynological data obtained from hosting black shale of the main ore deposits suggest a massive...sulfide body. It is hosted in a thick sequence of black shales, including felsic–volcanic and volcaniclastic |  | | Journal (article/letter/editorial) | | Geology, Georgia State University, Atlanta, GA 30303, USA b Polish Geological Institute, Rakowiecka 4, PL 00-975...surrounding the Rote FaÈule and a non-mineralized pyritic black shale in the central basin. The leading hypothesis...Kupferschiefer do not exceed values commonly observed in black shales (Holland, 1979). Reserves of base metals, however...concentrations for transition metals in crustal rocks and black shales (Vine and Tourtelot, 1970; Haranczyk, 1972;...restricted area at the base of the Kupferschiefer black shale (Haranczyk, 1972; Banas et al., 1976; Kucha |  | Goto, Kosuke T., Sekine, Yasuhito, Shimoda, Gen, Hein, James R., Aoki, Shogo, Ishikawa, Akira, Suzuki, Katsuhiko, Gordon, Gwyneth W., Anbar, Ariel D. (2020) A framework for understanding Mo isotope records of Archean and Paleoproterozoic Fe- and Mn-rich sedimentary rocks: Insights from modern marine hydrothermal Fe-Mn oxides. Geochimica et Cosmochimica Acta, 280. 221-236 doi:10.1016/j.gca.2020.04.017 | Journal (article/letter/editorial) | | d U.S. Geological Survey, Santa Cruz, CA 95060, USA e Faculty of Biosphere-Geosphere Science, Okayama...AZ 85287, USA i School of Molecular Sciences, Arizona State University, Tempe, AZ 85287, USA b Earth-Life...hydrothermal oxides exist as distinct Fe oxides, such as goethite, nontronite, and amorphous Fe oxides, which are...main Mn oxides in the analyzed samples, while goethite, nontronite, and amorphous iron oxides were found...2008). The Fe-oxide sample is composed mainly of goethite, but also includes a minor amount of birnessite |
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