| | Journal (article/letter/editorial) | Cu-Au-Ag-(Mo)-Mineralized Xenoliths, Santa Cruz Porphyry Cu-(Mo) System, Pinal County, Arizona Peter G. Vikre,1,â Frederick...89523 Abstract The Santa Cruz porphyry Cu-(Mo) system near Casa Grande, Arizona, includes the Sacaton...alignment, represent either pieces of one large deposit, several deposits, or pieces of several deposits...represent crustal stratigraphy and, as in the Santa Cruz system, provide evidence of concealed mineral...analysis. Introduction The Santa Cruz porphyry Cu-(Mo) system near Casa Grande, Arizona (Fig. 1A), consists | | | Report (issue) | LOGS FROM A COPPER OXIDE DEPOSIT, SANTA CRUZ PROJECT, CASA GRANDE, ARIZONA by Philip H. Nelson Open-File...industry-government project, cosponsored by the Santa Cruz Joint Venture1 and the U.S. Bureau of Mines,...recover copper from an oxide ore deposit near Casa Grande, Arizona. Chemical solutions will be circulated...circulated through boreholes penetrating the deposit so that copper may be dissolved from chrysocolla and...been collected for the first time in a mineral deposit. These logs provide direct estimates of the elements | | | Book (volume) | to g ra p h: The Bingham Canyon open pit, Utah, USA, 1998. Photographs by T M Porter. Ross Lang Andrew...University with a B.Sc. Honours. He completed his PhD in Mining Geology in 1979 at Imperial College, London. His...contributions to economic geology. Stints with Palabora Mining Company, JCI and Anglovaal added to Rossâ southern...After moving to Australia in ă 979, Ross, as a District Manager with CRA Exploration, led the team that...that discovered the Kintyre uranium deposit in Western Australia, establishing the existence o f a new | | | Report (issue) | Formation. The discovery of this disseminated gold deposit in the 1960's inspired much of the subsequent gold...programs in the USGS include basic research on ore-deposit systems, studies of strategic and critical minerals...mineral-resource assessments of the midcontinent area, presentations of new digital techniques for geologic...ferromanganese and polymetallic sulfides, and specific deposit studies of Red Dog, Alaska; Paradise Peak, Jerritt...geochemical, and geophysical expression of mineral-deposit systems. The program's goal is to develop concepts | | | Book (edition) | common and which have practical usage. Here belong biotite (with end-members annitephlogopite), lepidolite...among the most important rockforming minerals (eg: biotite. olivine), or among the important economic ore...only about distance from a better known town in the area but also about the administrative regional units...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g. | | | Journal (article/letter/editorial) | interbedded with iron formations 12 (IFs) from the Santa Cruz Formation (Jacadigo Group) and surrounded by...ancient graben, 14 with sediments from the Santa Cruz Formation overlying fluvial deposits from the...39 1. INTRODUCTION 40 The Urucum mining district occupies an area of approximately 800 km2 and is located...(BIFs), and massive ironstones, constitute the Santa Cruz Formation of the Jacadigo 46 Group, totaling...Urban et al. (1992) estimated that the Urucum district 47 contains more than 600 Mt of rock with high | | | Book (edition) | interesting facts about the people involved in mining, current price lists of various stones, and numerous...from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing by W. E...information is included on the persons involved in mining the deposits, with dates and other pertinent information...special debt to Jeffrey Kurtzeinan of Phoenix, Arizona for numerous photographs supplied for this work...pegmatite, Baja California 19. Sequist Ranch topaz area, Texas 20. Little Three mine, Ramona, California | | | Journal (article/letter/editorial) | igin of magnetite fr om Gol-e-Ghohar ir on or e deposit of SE I r an: I n situ L A-I CPM S analysesâ by...igin of magnetite fr om Gol-e-Ghohar ir on or e deposit of SE I r an: I n situ L A-I CP-M S analysesâ by...origin of magnetite from Gol-e-Ghohar iron ore deposit of SE Iran: In situ LA-ICPMS analysesâ by Mirzaei...Habibeh Atapour a,*, Alijan Aftabi b aDepartment of Mining Engineering, Shahid Bahonar University of Kerman...atapour@uk.ac.ir ABSTRACT The Gol-e-Gohar iron deposit occurs in Ediacaran banded magnetite-hematiteschist | | Shi, Kangxing, Wang, Changming, Bagas, Leon, Du, Bin, Yang, Lifei, Chen, Qi (2019) Genesis of the Hanwang Fe deposit in Neoarchean granite-greenstone succession of the eastern North China Craton. Ore Geology Reviews, 105. 387-403 doi:10.1016/j.oregeorev.2019.01.003 | Journal (article/letter/editorial) | Accepted Manuscript Genesis of the Hanwang Fe deposit in Neoarchean graniteâgreenstone succession of...Du, L. Yang, Q. Chen, Genesis of the Hanwang Fe deposit in Neoarchean graniteâgreenstone succession of...journal pertain. 1 Genesis of the Hanwang Fe deposit in Neoarchean graniteâ 2 greenstone succession...University of Geosciences, 29 Xueyuan Road, Haidian District, Beijing 100083, China. Eâmail address: wangcm@cugb...ironâformations (BIFs), 17 such as the large Hanwang iron deposit located in the eastern North China 18 Craton | | Brando Soares, Mariana, CorrĂȘa Neto, Atlas Vasconcelos, Zeh, Armin, Cabral, Alexandre Raphael, Pereira, Larissa Fernandes, Prado, Milton GuimarĂŁes Bueno do, Almeida, AntĂŽnio Modesto de, Manduca, Luedson GuimarĂŁes, Silva, Pedro Henrique Montenegro da, Mabub, Ricardo Oliveira de AraĂșjo, Schlichta, Thiago Mazutti (2017) Geology of the Pitangui greenstone belt, Minas Gerais, Brazil: Stratigraphy, geochronology and BIF geochemistry. Precambrian Research, 291. 17-41 doi:10.1016/j.precamres.2017.01.008 | Journal (article/letter/editorial) | description of rocks at the SĂŁo SebastiĂŁo gold deposit and surroundings a new geological map and a detailed...BIF-hosted SĂŁo SebastiĂŁo deposit. Based on drillcores logged at the SĂŁo SebastiĂŁo gold deposit and surroundings...divisions of Espinhaço Supergroup) occur in a small area to the north of QuadrilĂĄtero FerrĂfero registering...diamond drillcores from the SĂŁo SebastiĂŁo gold deposit. Thin sections were examined by transmitted and...indicative for upper greenschist facies (chlorite, biotite, talc, actinolite, sericite - fine-grained white | | Santos, M.S., Cruz, Simone C.P., Lobato, L.M., Mandetta, P., Burgos, C.M. (2022) Structural and hydrothermal evolution of the shear-zone-related iron-oxide enrichment in metavolcano-sedimentary rocks of the intracontinental araçuaĂ orogen: The case of the espĂrito santo iron deposit. Ore Geology Reviews, 140. 103719pp. doi:10.1016/j.oregeorev.2020.103719 | Journal (article/letter/editorial) | The Case Of The EspĂrito Santo Iron Deposit M.S. Santos, S.C.P. Cruz, L.M. Lobato, P. Mandetta, C.M. Burgos...Please cite this article as: M.S. Santos, S.C.P. Cruz, L.M. Lobato, P. Mandetta, C.M. Burgos, Structural...AraçuaĂ Orogen: The Case Of The EspĂrito Santo Iron Deposit, Ore Geology Reviews (2020), doi: https://doi.org/10...THE CASE OF THE ESPĂRITO SANTO IRON DEPOSIT Santos, M. S.1, Cruz, S. C. P1, Lobato, L. M. 2, P. Mandetta3...as a carbonate-silicate rock, occur in the study area. These contain mineral assemblages compatible with | | | Report (chapter) | FORMATION, NAMIBIA Fig. 4. Locality map for the study area in the Otavi Fold Belt, near the village of Okavare...matrix can have a foliation deïŹned by muscovite and biotite; this is especially well-developed at Lowenfontein...with angular to subrounded clasts of granite, biotite schist, limestone, dolomite, siltstone and quartzite...glacial advance. The ferruginous facies in this area appear to be occupying palaeodepressions (Fig. 7)...accumulate in a so-called null zone (Fig. 13a), an area beneath an ice shelf sheltered from clastic input |
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