The Occurrence of Sulfide and Associated Minerals in Ohio
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Fundamental Flotation Behaviors of Chalcopyrite and Galena Using O-Isopropyl-N-Ethyl Thionocarbamate As a Collector
minerals Article Fundamental Flotation Behaviors of Chalcopyrite and Galena Using O-Isopropyl-N-Ethyl Thionocarbamate as a Collector Yongjie Bu ID , Yuehua Hu *, Wei Sun *, Zhiyong Gao ID and Runqing Liu School of Mineral Processing and Bioengineering, Central South University, Changsha 410083, China; [email protected] (Y.B.); [email protected] (Z.G.); [email protected] (R.L.) * Correspondence: [email protected] (Y.H.); [email protected] (W.S.); Tel.: +86-731-8830-482 (Y.H.); +86-0731-8883-6873 (W.S.) Received: 31 January 2018; Accepted: 12 March 2018; Published: 13 March 2018 Abstract: Copper and lead are two important and widely used metals in industry. Chalcopyrite (CuFeS2) is associated with galena (PbS) in ore, and it has been a research hotspot in separating galena from chalcopyrite by flotation. In this study, the flotation behaviors of chalcopyrite and galena were studied through flotation tests, adsorption measurements, solution chemistry calculation, Fourier transform infrared spectroscopy (FTIR) and molecular dynamics (MD) simulations. The results show that the floatability of chalcopyrite is better than that of galena in the presence of O-isopropyl-N-ethyl thionocarbamate (IPETC), and the recovery difference between chalcopyrite and galena is about 20% when IPETC is 7 × 10−4 mol/L at pH 9.5, while the floatability difference between the two minerals is significant. Competitive adsorption of OH− and IPETC on mineral surfaces leads to lower floatability of galena than that of chalcopyrite. IPETC is able to remove the hydration layer on mineral surfaces and then adsorb on active sites. The floatability of minerals is enhanced with the increase of their hydrophobicity. -
Download PDF About Minerals Sorted by Mineral Name
MINERALS SORTED BY NAME Here is an alphabetical list of minerals discussed on this site. More information on and photographs of these minerals in Kentucky is available in the book “Rocks and Minerals of Kentucky” (Anderson, 1994). APATITE Crystal system: hexagonal. Fracture: conchoidal. Color: red, brown, white. Hardness: 5.0. Luster: opaque or semitransparent. Specific gravity: 3.1. Apatite, also called cellophane, occurs in peridotites in eastern and western Kentucky. A microcrystalline variety of collophane found in northern Woodford County is dark reddish brown, porous, and occurs in phosphatic beds, lenses, and nodules in the Tanglewood Member of the Lexington Limestone. Some fossils in the Tanglewood Member are coated with phosphate. Beds are generally very thin, but occasionally several feet thick. The Woodford County phosphate beds were mined during the early 1900s near Wallace, Ky. BARITE Crystal system: orthorhombic. Cleavage: often in groups of platy or tabular crystals. Color: usually white, but may be light shades of blue, brown, yellow, or red. Hardness: 3.0 to 3.5. Streak: white. Luster: vitreous to pearly. Specific gravity: 4.5. Tenacity: brittle. Uses: in heavy muds in oil-well drilling, to increase brilliance in the glass-making industry, as filler for paper, cosmetics, textiles, linoleum, rubber goods, paints. Barite generally occurs in a white massive variety (often appearing earthy when weathered), although some clear to bluish, bladed barite crystals have been observed in several vein deposits in central Kentucky, and commonly occurs as a solid solution series with celestite where barium and strontium can substitute for each other. Various nodular zones have been observed in Silurian–Devonian rocks in east-central Kentucky. -
A Column Leaching Model of Low-Grade Chalcopyrite Ore: Mineral Preferences and Chemical Reactivity
minerals Article A Column Leaching Model of Low-Grade Chalcopyrite Ore: Mineral Preferences and Chemical Reactivity Heike Bostelmann and Gordon Southam * School of Earth and Environmental Sciences, The University of Queensland, St Lucia 4072, Australia; [email protected] * Correspondence: [email protected]; Tel.: +61-07-3365-8505 Received: 16 November 2020; Accepted: 8 December 2020; Published: 17 December 2020 Abstract: Bioleaching models to examine copper extraction from low-grade chalcopyrite ores were set up to identify the influence of pyrite on leaching efficacy. A combination of scanning electron microscopy and geochemical analysis showed that extraction was marginally enhanced by the addition of pyrite when using a combination of Leptospirillum ferrooxidans, an iron oxidiser, Acidithiobacillus thiooxidans, a sulphur oxidising species and Acidithiobacillus ferrooxidans, an iron and sulphur oxidiser. Extensive biofilms formed on the pyrite surfaces (>106 cells/mm2) but were severely limited on chalcopyrite, possessing approximately the same number of cells as quartz grains, an internal non-nutrient control “substrate” (with ca. 2 103 cells/mm2). The presence of dissolved copper did × not inhibit the growth of this consortium. Indirect “bioleaching” of chalcopyrite appears to be limited by proton activity at the chalcopyrite surface. Keywords: bioleaching; chalcopyrite; pyrite; low-grade ore 1. Introduction Economic processing of chalcopyrite ores through bioleaching, i.e., the mobilisation of metals from ore by microorganisms, has not been as successful as secondary copper sulphide leaching operations [1]. This chalcopyrite “problem” needs to be solved, as it is the dominant copper mineral in many low-grade copper deposits. This has resulted in large quantities of low-grade waste material being stockpiled or discarded in mining operations, as they are not economic to process, though they do contain massive quantities of metals (i.e., copper) simply due to their combined volume [1–3]. -
Minerals and Mineral Products in Our Bedroom Bed Hematite
Minerals and Mineral Products in our Bedroom Make-Up Kit Muscovite Bed Talc Hematite: hinges, handles, Mica mattress springs Hematite: for color Chromite: chrome plating Bismuth Radio Barite Copper: wiring Plastic Pail Quartz: clock Mica Gold: connections Cassiterite: solder Toilet Bowl / Tub Closet Feldspar: porcelain Chromite: chrome plating Pyrolusite: coloring Hematite: hinges, handles (steel) Chromite: plumbing fixtures Quartz : mirror on door Copper: tubing Desk Toothpaste Hematite: hinges, handles (steel) Apatite: teeth Chromite: chrome plating Fluorite: toothpaste Mirror Rutile: to color false Hematite: handle, frame teeth yellow Chromite: plating Gold: fillings Gold: plating Cinnabar: fillings Quartz: mirror Towels Table Lamp Sphalerite: dyes Brass (an alloy of copper and Chromite: dyes zinc): base Quartz: bulb Water Pipe/Faucet/Shower bulb Wolframite: lamp filament Brass Copper: wiring Iron Nickel Minerals and Mineral Products in our Bedroom Chrome: stainless steel Bathroom Cleaner Department of Environment and Natural Resources Borax: abrasive, cleaner, and antiseptic MINES AND GEOSCIENCES BUREAU Deodorant Spray Can Cassiterite Chromite Copper Carpet Quartz Sphalerite: dyes Telephone Chromite: dyes Drinking Glasses Copper: wiring Sulfur: foam padding Quartz Chromite: plating Gold: red color Clock Silver: electronics Pentlandite: spring Graphite: batteries Refrigerator Quartz: glass, time keeper Hematite Television Chromite: stainless steel Chromite: plating Computer Galena Wolframite: monitor Wolframite: monitor Copper Copper: -
Metacinnabar Hgs C 2001-2005 Mineral Data Publishing, Version 1
Metacinnabar HgS c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Cubic. Point Group: 43m. Commonly massive; rarely as small (to 1 mm) tetrahedral crystals having rough faces. Twinning: Common on {111}, forming lamellae in polished section. Physical Properties: Fracture: Subconchoidal. Tenacity: Brittle. Hardness = 3 VHN = n.d. D(meas.) = 7.65 D(calc.) = 7.63 Optical Properties: Opaque. Color: Grayish black; in polished section, grayish white. Streak: Black. Luster: Metallic. Pleochroism: Weak, rarely. Anisotropism: Very weak, rarely. R: (400) 28.4, (420) 27.6, (440) 26.8, (460) 26.3, (480) 25.9, (500) 25.6, (520) 25.4, (540) 25.2, (560) 25.1, (580) 25.0, (600) 24.9, (620) 24.9, (640) 24.8, (660) 24.7, (680) 24.7, (700) 24.7 Cell Data: Space Group: F 43m. a = 5.8717(5) Z = 4 X-ray Powder Pattern: Synthetic. 3.378 (100), 2.068 (55), 1.7644 (45), 2.926 (35), 1.3424 (12), 1.6891 (10), 1.3085 (10) Chemistry: (1) (2) (3) (4) Hg 79.73 67.45 81.33 86.22 Zn 4.23 3.10 Cd 11.72 Fe trace 0.2 Se 1.08 6.49 S 14.58 15.63 10.30 13.78 Total 99.62 98.10 98.12 100.00 (1) Guadalc´azar,Mexico; corresponds to (Hg0.85Zn0.14)Σ=0.99(S0.97Se0.03)Σ=1.00. (2) Uland area, Russia; corresponds to (Hg0.69Cd0.21Zn0.10Fe0.01)Σ=1.01S1.00. (3) San Onofre, Mexico; corresponds to Hg1.00(S0.80Se0.20)Σ=1.00. -
Middle Devonian Formations in the Subsurface of Northwestern Ohio
STATE OF OHIO DEPARTMENT OF NATURAL RESOURCES DIVISION OF GEOLOGICAL SURVEY Horace R. Collins, Chief Report of Investigations No. 78 MIDDLE DEVONIAN FORMATIONS IN THE SUBSURFACE OF NORTHWESTERN OHIO by A. Janssens Columbus 1970 SCIENTIFIC AND TECHNICAL STAFF OF THE OHIO DIVISION OF GEOLOGICAL SURVEY ADMINISTRATIVE SECTION Horace R. Collins, State Geologist and Di v ision Chief David K. Webb, Jr., Geologist and Assistant Chief Eleanor J. Hyle, Secretary Jean S. Brown, Geologist and Editor Pauline Smyth, Geologist Betty B. Baber, Geologist REGIONAL GEOLOGY SECTION SUBSURFACE GEOLOGY SECTION Richard A. Struble, Geologist and Section Head William J. Buschman, Jr., Geologist and Section Head Richard M. Delong, Geologist Michael J. Clifford, Geologist G. William Kalb, Geochemist Adriaan J anssens, Geologist Douglas L. Kohout, Geologis t Frederick B. Safford, Geologist David A. Stith, Geologist Jam es Wooten, Geologist Aide Joel D. Vormelker, Geologist Aide Barbara J. Adams, Clerk· Typist B. Margalene Crammer, Clerk PUBLICATIONS SECTION LAKE ERIE SECTION Harold J. Fl inc, Cartographer and Section Head Charles E. Herdendorf, Geologist and Sectwn Head James A. Brown, Cartographer Lawrence L. Braidech, Geologist Donald R. Camburn, Cartovapher Walter R. Lemke, Boat Captain Philip J. Celnar, Cartographer David B. Gruet, Geologist Aide Jean J. Miller, Photocopy Composer Jean R. Ludwig, Clerk- Typist STATE OF OHIO DEPARTMENT OF NATURAL RESOURCES DIVISION OF GEOLOGICAL SURVEY Horace R. Collins, Chief Report of Investigations No. 78 MIDDLE DEVONIAN FORMATIONS IN THE SUBSURFACE OF NORTHWESTERN OHIO by A. Janssens Columbus 1970 GEOLOGY SERVES OHIO CONTENTS Page Introduction . 1 Previous investigations .. .. .. .. .. .. .. .. .. 1 Study methods . 4 Detroit River Group . .. .. .. ... .. ... .. .. .. .. .. .. .. ... .. 6 Sylvania Sandstone .......................... -
The Electrical Resistivity of Galena, Pyrite, and Chalcopyrite
American Mineralogist, Volume61, pages248-259, 1976 The electricalresistivity of galena,pyrite, and chalcopyrite Doneln F. PnlorrronreNn RnlpH T. Suurv Departmentof Geologyand Geophysics,Uniuersity of Utah Salt Lake Cily, Utah 84112 Abstract. The sulfidesgalena, chalcopyrite, and pyrite are semiconductorswhose electrical resistivity and type are controlled by deviationsfrom stoichiometryand impurity content,and henceby their geochemicalenvironment. We measuredelectrical resistivity,type, and the impurity content (emissionspectrograph and microprobe) on small volumesof sample.Our results, together with those obtained from a comprehensiveliterature analysis, are usedto construct histogramsof the natural variability in carrier density and resistivity. Sulfur deficiency is the dominant defect in chalcopyrite and hence almost all natural samplesare n-type. lt appearsthat the copper/iron ratio is also important electrically,the copper-richsamples being the more resistive. lmportant donor deiectsin galena(z-type samples)are antimony and bismuth impurities, and sulfur vacancies;acceptor defects(p-type samples) include silver impurities and lead 'Mississippi vacancies.P-type samplesappear to be restrictedto Valley' and argentiferous deposits. In pyrite, electricallyactive impurities include cobalt, nickel, and copper as donors, and arsenicas an acceptor.Deviations from stoichiometry,in the same senseas galena,may be important. Pyritesfrom sedimentaryand epithermaldeposits are usuallyp-type if cupriferous sulfidesare not present.Samples from hypothermaldeposits -
Geologic Cross Section C–C' Through the Appalachian Basin from Erie
Geologic Cross Section C–C’ Through the Appalachian Basin From Erie County, North-Central Ohio, to the Valley and Ridge Province, Bedford County, South-Central Pennsylvania By Robert T. Ryder, Michael H. Trippi, Christopher S. Swezey, Robert D. Crangle, Jr., Rebecca S. Hope, Elisabeth L. Rowan, and Erika E. Lentz Scientific Investigations Map 3172 U.S. Department of the Interior U.S. Geological Survey U.S. Department of the Interior KEN SALAZAR, Secretary U.S. Geological Survey Marcia K. McNutt, Director U.S. Geological Survey, Reston, Virginia: 2012 For more information on the USGS—the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment, visit http://www.usgs.gov or call 1–888–ASK–USGS. For an overview of USGS information products, including maps, imagery, and publications, visit http://www.usgs.gov/pubprod To order this and other USGS information products, visit http://store.usgs.gov Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although this report is in the public domain, permission must be secured from the individual copyright owners to reproduce any copyrighted materials contained within this report. Suggested citation: Ryder, R.T., Trippi, M.H., Swezey, C.S. Crangle, R.D., Jr., Hope, R.S., Rowan, E.L., and Lentz, E.E., 2012, Geologic cross section C–C’ through the Appalachian basin from Erie County, north-central Ohio, to the Valley and Ridge province, Bedford County, south-central Pennsylvania: U.S. Geological Survey Scientific Investigations Map 3172, 2 sheets, 70-p. -
76-9949 CHAPEL, James David, 1948- PETROLOGY and DEPOSITIONAL HISTORY of DEVONIAN CARBONATES in OHIO
76-9949 CHAPEL, James David, 1948- PETROLOGY AND DEPOSITIONAL HISTORY OF DEVONIAN CARBONATES IN OHIO. The Ohio State University, Ph.D., 1975 Geology Xerox University Microfilms,Ann Arbor, Michigan 48106 PETROLOGY AND EEPOSITIONAL HISTORY OF. DEVONIAN CARBONATES IN OHIO DISSERTATION Presented in Partial Fulfillment of the Requirements for the Degree Doctor of Philosophy in the Graduate School of The Chio State University bY Janes David Chapel, B.A, * * * * * The Ohio State University Reading Coirmittee: Approved Ey Professor Charles H. Summerson Professor Kenneth 0. Stanley //?//? Professor James W. Collinson v Adviser Department of Geology and Mineralogy ACKNOWIEDGMENTS ivy deepest thanks go to Dr. C. H. Summerson for his guidance and encouragement during the course of the research and for his critical reading of several drafts of the manuscript. I also wish to thank Dr. J. W. Collinson and Dr. K. 0. Stanley for their discussion and criticism of material presented in this dissertation. Special thanks go to Mr. A. Janssens of the Ohio Division of Geological Survey who discussed stratigraphic problems with the author on several occasions and provided access to unpublished stratigraphic data. I am especially indebted to the owners and officials of numerous stone companies who permitted me to study the sections in their quarries and who, in some cases, provided access to drill cores. In this regard \ special thanks are. extended to Mr. B. Mascn of the Prance Stone Company and Mr. R. Annesser of the National lime and Stone Company without whose cooperation and assistance this study would have been impossible. I also acknowledge financial support provided by the Friends of Ortcr. -
(VHMS) Deposits in the Tasik Chini Area, Peninsular Malaysia: Constraints for Ore Genesis
minerals Article Geochemistry of Sphalerite from the Permian Volcanic-Hosted Massive Sulphide (VHMS) Deposits in the Tasik Chini Area, Peninsular Malaysia: Constraints for Ore Genesis Mohd Basril Iswadi Basori 1,* , Sarah E. Gilbert 2 , Khin Zaw 3 and Ross R. Large 3 1 Department of Earth Sciences and Environment, Faculty of Science and Technology, The National University of Malaysia (UKM), Selangor 43600, Malaysia 2 Adelaide Microscopy, The University of Adelaide, Frome Road, Adelaide, SA 5005, Australia; [email protected] 3 Centre for Ore Deposits and Earth Sciences, University of Tasmania, Hobart, TAS 7001, Australia; [email protected] (K.Z.); [email protected] (R.R.L.) * Correspondence: [email protected]; Tel.: +603-8921-5572; Fax: +603-8921-5490 Abstract: The Bukit Botol and Bukit Ketaya deposits are two examples of volcanic-hosted massive sulphide (VHMS) deposits that occur in the Tasik Chini area, Central Belt of Peninsular Malaysia. The mineralisation is divided into subzones distinguished by spatial, mineralogical, and textural characteristics. The primary sulphide minerals include pyrite, chalcopyrite, sphalerite, and galena, with lesser amounts of Sn- and Ag-bearing minerals, with Au. However, pyrrhotite is absent from both deposits. This study presents the results of sphalerite chemistry analysed by using an electron Citation: Basori, M.B.I.; Gilbert, S.E.; microprobe. Two types of sphalerite are recognised: sphalerite from the Bukit Botol deposit reveals a Zaw, K.; Large, R.R. Geochemistry of range of <DL to 24.0 mole% FeS, whereas sphalerite from the Bukit Ketaya deposit shows a range Sphalerite from the Permian of <DL to 3 mole% FeS. -
1469 Vol 43#5 Art 03.Indd
1469 The Canadian Mineralogist Vol. 43, pp. 1469-1487 (2005) BORATE MINERALS OF THE PENOBSQUIS AND MILLSTREAM DEPOSITS, SOUTHERN NEW BRUNSWICK, CANADA JOEL D. GRICE§, ROBERT A. GAULT AND JERRY VAN VELTHUIZEN† Research Division, Canadian Museum of Nature, P.O. Box 3443, Station D, Ottawa, Ontario K1P 6P4, Canada ABSTRACT The borate minerals found in two potash deposits, at Penobsquis and Millstream, Kings County, New Brunswick, are described in detail. These deposits are located in the Moncton Subbasin, which forms the eastern portion of the extensive Maritimes Basin. These marine evaporites consist of an early carbonate unit, followed by a sulfate, and fi nally, a salt unit. The borate assemblages occur in specifi c beds of halite and sylvite that were the last units to form in the evaporite sequence. Species identifi ed from drill-core sections include: boracite, brianroulstonite, chambersite, colemanite, congolite, danburite, hilgardite, howlite, hydroboracite, kurgantaite, penobsquisite, pringleite, ruitenbergite, strontioginorite, szaibélyite, trembathite, veatchite, volkovskite and walkerite. In addition, 41 non-borate species have been identifi ed, including magnesite, monohydrocalcite, sellaite, kieserite and fl uorite. The borate assemblages in the two deposits differ, and in each deposit, they vary stratigraphically. At Millstream, boracite is the most common borate in the sylvite + carnallite beds, with hilgardite in the lower halite strata. At Penobsquis, there is an upper unit of hilgardite + volkovskite + trembathite in halite and a lower unit of hydroboracite + volkov- skite + trembathite–congolite in halite–sylvite. At both deposits, values of the ratio of B isotopes [␦11B] range from 21.5 to 37.8‰ [21 analyses] and are consistent with a seawater source, without any need for a more exotic interpretation. -
Evolution of the Astonishing Naica Giant Crystals in Chihuahua, Mexico
minerals Review Evolution of the Astonishing Naica Giant Crystals in Chihuahua, Mexico Iván Jalil Antón Carreño-Márquez 1 , Isaí Castillo-Sandoval 2, Bernardo Enrique Pérez-Cázares 3, Luis Edmundo Fuentes-Cobas 2 , Hilda Esperanza Esparza-Ponce 2 , Esperanza Menéndez-Méndez 4, María Elena Fuentes-Montero 3 and María Elena Montero-Cabrera 2,* 1 Department of Engineering, Universidad La Salle Chihuahua, Chihuahua 31625, Mexico; [email protected] 2 Department of Environment and Energy, Centro de Investigación en Materiales Avanzados, Chihuahua 31136, Mexico; [email protected] (I.C.-S.); [email protected] (L.E.F.-C.); [email protected] (H.E.E.-P.) 3 Department of Computational Chemistry, Universidad Autónoma de Chihuahua, Chihuahua 31125, Mexico; [email protected] (B.E.P.-C.); [email protected] (M.E.F.-M.) 4 Department Physicochemical Assays, Instituto Eduardo Torroja de Ciencias de la Construcción, 28033 Madrid, Spain; [email protected] * Correspondence: [email protected] Abstract: Calcium sulfate (CaSO4) is one of the most common evaporites found in the earth’s crust. It can be found as four main variations: gypsum (CaSO4·2H2O), bassanite (CaSO4·0.5H2O), soluble Citation: Carreño-Márquez, I.J.A.; anhydrite, and insoluble anhydrite (CaSO4), being the key difference the hydration state of the Castillo-Sandoval, I.; Pérez-Cázares, sulfate mineral. Naica giant crystals’ growth starts from a supersaturated solution in a delicate B.E.; Fuentes-Cobas, L.E.; Esparza- thermodynamic balance close to equilibrium, where gypsum can form nanocrystals able to grow Ponce, H.E.; Menéndez-Méndez, E.; up to 11–12 m long.