Item talk:Q64574
From geokb
{
"USGS Publications Warehouse": { "schema": { "@context": "https://schema.org", "@type": "CreativeWork", "additionalType": "USGS Numbered Series", "name": "Low-fluorine Stockwork Molybdenite Deposits", "identifier": [ { "@type": "PropertyValue", "propertyID": "USGS Publications Warehouse IndexID", "value": "ofr20091211", "url": "https://pubs.usgs.gov/publication/ofr20091211" }, { "@type": "PropertyValue", "propertyID": "USGS Publications Warehouse Internal ID", "value": 97882 }, { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.3133/ofr20091211", "url": "https://doi.org/10.3133/ofr20091211" } ], "inLanguage": "en", "isPartOf": [ { "@type": "CreativeWorkSeries", "name": "Open-File Report" } ], "datePublished": "2009", "dateModified": "2018-10-29", "abstract": "Low-fluorine stockwork molybdenite deposits are closely related to porphyry copper deposits, being similar in their tectonic setting (continental volcanic arc) and the petrology (calc-alkaline) of associated igneous rock types. They are mainly restricted to the Cordillera of western Canada and the northwest United States, and their distribution elsewhere in the world may be limited. The deposits consist of stockwork bodies of molybdenite-bearing quartz veinlets that are present in and around the upper parts of intermediate to felsic intrusions. The deposits are relatively low grade (0.05 to 0.2 percent Mo), but relatively large, commonly >50 million tons. The source plutons for these deposits range from granodiorite to granite in composition; the deposits primarily form in continental margin subduction-related magmatic arcs, often concurrent with formation of nearby porphyry copper deposits. Oxidation of pyrite in unmined deposits or in tailings and waste rock during weathering can lead to development of acid-rock drainage and limonite-rich gossans. Waters associated with low-fluorine stockwork molybdenite deposits tend to be nearly neutral in pH; variable in concentrations of molybdenum (<2 to >10,000 ug/L); below regulatory guidelines for copper, iron, lead, zinc, and mercury; and locally may exceed guidelines for arsenic, cadmium, and selenium.", "description": "Available online and on CD-ROM", "publisher": { "@type": "Organization", "name": "U.S. Geological Survey" }, "author": [ { "@type": "Person", "name": "Piatak, Nadine M. npiatak@usgs.gov", "givenName": "Nadine M.", "familyName": "Piatak", "email": "npiatak@usgs.gov", "identifier": { "@type": "PropertyValue", "propertyID": "ORCID", "value": "0000-0002-1973-8537", "url": "https://orcid.org/0000-0002-1973-8537" } }, { "@type": "Person", "name": "Hammarstrom, Jane", "givenName": "Jane", "familyName": "Hammarstrom" }, { "@type": "Person", "name": "Ludington, Steve", "givenName": "Steve", "familyName": "Ludington" } ], "funder": [ { "@type": "Organization", "name": "Eastern Mineral and Environmental Resources Science Center", "url": "https://www.usgs.gov/centers/geology-energy-and-minerals-science-center" }, { "@type": "Organization", "name": "U.S. Geological Survey", "url": "https://www.usgs.gov/" } ], "spatialCoverage": [ { "@type": "Place", "geo": [ { "@type": "GeoShape", "additionalProperty": { "@type": "PropertyValue", "name": "GeoJSON", "value": { "type": "FeatureCollection", "features": [ { "type": "Feature", "properties": {}, "geometry": { "type": "Polygon", "coordinates": [ [ [ -145, 40 ], [ -145, 65 ], [ -105, 65 ], [ -105, 40 ], [ -145, 40 ] ] ] } } ] } } }, { "@type": "GeoCoordinates", "latitude": 52.5, "longitude": -125.0 } ] } ] } }, "OpenAlex": { "abstract_inverted_index": { "Low-fluorine": [ 0 ], "stockwork": [ 1, 58, 156 ], "molybdenite": [ 2, 157 ], "deposits": [ 3, 55, 79, 101, 110, 133, 158 ], "are": [ 4, 30, 65, 80 ], "closely": [ 5 ], "related": [ 6 ], "to": [ 7, 33, 75, 85, 105, 144, 160, 172 ], "porphyry": [ 8, 125 ], "copper": [ 9, 126 ], "deposits,": [ 10 ], "being": [ 11 ], "similar": [ 12 ], "in": [ 13, 48, 67, 107, 113, 131, 135, 164, 167 ], "their": [ 14, 45 ], "tectonic": [ 15 ], "setting": [ 16 ], "(continental": [ 17 ], "volcanic": [ 18 ], "arc)": [ 19 ], "and": [ 20, 39, 44, 68, 137, 149, 183, 185, 193 ], "the": [ 21, 34, 40, 49, 70, 109 ], "petrology": [ 22 ], "(calc-alkaline)": [ 23 ], "of": [ 24, 36, 57, 60, 73, 123, 129, 146, 169 ], "associated": [ 25, 153 ], "igneous": [ 26 ], "rock": [ 27, 139 ], "types.": [ 28 ], "They": [ 29 ], "mainly": [ 31 ], "restricted": [ 32 ], "Cordillera": [ 35 ], "western": [ 37 ], "Canada": [ 38 ], "northwest": [ 41 ], "United": [ 42 ], "States,": [ 43 ], "distribution": [ 46 ], "elsewhere": [ 47 ], "world": [ 50 ], "may": [ 51, 187 ], "be": [ 52, 161 ], "limited.": [ 53 ], "The": [ 54, 78, 96 ], "consist": [ 56 ], "bodies": [ 59 ], "molybdenite-bearing": [ 61 ], "quartz": [ 62 ], "veinlets": [ 63 ], "that": [ 64 ], "present": [ 66 ], "around": [ 69 ], "upper": [ 71 ], "parts": [ 72 ], "intermediate": [ 74 ], "felsic": [ 76 ], "intrusions.": [ 77 ], "relatively": [ 81, 90 ], "low": [ 82 ], "grade": [ 83 ], "(0.05": [ 84 ], "0.2": [ 86 ], "percent": [ 87 ], "Mo),": [ 88 ], "but": [ 89 ], "large,": [ 91 ], "commonly": [ 92 ], ">50": [ 93 ], "million": [ 94 ], "tons.": [ 95 ], "source": [ 97 ], "plutons": [ 98 ], "for": [ 99, 178, 190 ], "these": [ 100 ], "range": [ 102 ], "from": [ 103 ], "granodiorite": [ 104 ], "granite": [ 106 ], "composition;": [ 108 ], "primarily": [ 111 ], "form": [ 112 ], "continental": [ 114 ], "margin": [ 115 ], "subduction-related": [ 116 ], "magmatic": [ 117 ], "arcs,": [ 118 ], "often": [ 119 ], "concurrent": [ 120 ], "with": [ 121, 154 ], "formation": [ 122 ], "nearby": [ 124 ], "deposits.": [ 127 ], "Oxidation": [ 128 ], "pyrite": [ 130 ], "unmined": [ 132 ], "or": [ 134 ], "tailings": [ 136 ], "waste": [ 138 ], "during": [ 140 ], "weathering": [ 141 ], "can": [ 142 ], "lead": [ 143 ], "development": [ 145 ], "acid-rock": [ 147 ], "drainage": [ 148 ], "limonite-rich": [ 150 ], "gossans.": [ 151 ], "Waters": [ 152 ], "low-fluorine": [ 155 ], "tend": [ 159 ], "nearly": [ 162 ], "neutral": [ 163 ], "pH;": [ 165 ], "variable": [ 166 ], "concentrations": [ 168 ], "molybdenum": [ 170 ], "(<2": [ 171 ], ">10,000": [ 173 ], "ug/L);": [ 174 ], "below": [ 175 ], "regulatory": [ 176 ], "guidelines": [ 177, 189 ], "copper,": [ 179 ], "iron,": [ 180 ], "lead,": [ 181 ], "zinc,": [ 182 ], "mercury;": [ 184 ], "locally": [ 186 ], "exceed": [ 188 ], "arsenic,": [ 191 ], "cadmium,": [ 192 ], "selenium.": [ 194 ] }, "apc_list": null, "apc_paid": null, "authorships": [ { "author_position": "first", "author": { "id": "https://openalex.org/A5062006652", "display_name": "Steve Ludington", "orcid": "https://orcid.org/0000-0002-6265-4996" }, "institutions": [], "countries": [], "is_corresponding": false, "raw_author_name": "Steve Ludington", "raw_affiliation_strings": [], "affiliations": [] }, { "author_position": 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"is_accepted": true, "is_published": true }, "primary_topic": { "id": "https://openalex.org/T11740", "display_name": "Geochemistry of Manganese Oxides in Sedimentary Environments", "score": 0.9803, "subfield": { "id": "https://openalex.org/subfields/1906", "display_name": "Geochemistry and Petrology" }, "field": { "id": "https://openalex.org/fields/19", "display_name": "Earth and Planetary Sciences" }, "domain": { "id": "https://openalex.org/domains/3", "display_name": "Physical Sciences" } }, "publication_date": "2009-01-01", "publication_year": 2009, "referenced_works": [ "https://openalex.org/W1966957498" ], "referenced_works_count": 1, "related_works": [ "https://openalex.org/W4381611673", "https://openalex.org/W4360985042", "https://openalex.org/W4247486900", "https://openalex.org/W3203329528", "https://openalex.org/W2902700094", "https://openalex.org/W2381694654", "https://openalex.org/W2288624704", "https://openalex.org/W2185614208", "https://openalex.org/W2086695643", "https://openalex.org/W2054816670" ], "sustainable_development_goals": [], "title": "Low-fluorine Stockwork Molybdenite Deposits", "topics": [ { "id": "https://openalex.org/T11740", "display_name": "Geochemistry of Manganese Oxides in Sedimentary Environments", "score": 0.9803, "subfield": { "id": "https://openalex.org/subfields/1906", "display_name": "Geochemistry and Petrology" }, "field": { "id": "https://openalex.org/fields/19", "display_name": "Earth and Planetary Sciences" }, "domain": { "id": "https://openalex.org/domains/3", "display_name": "Physical Sciences" } }, { "id": "https://openalex.org/T10973", "display_name": "Chemistry of Actinide and Lanthanide Elements", "score": 0.979, "subfield": { "id": "https://openalex.org/subfields/1604", "display_name": "Inorganic Chemistry" }, "field": { "id": "https://openalex.org/fields/16", "display_name": "Chemistry" }, "domain": { "id": "https://openalex.org/domains/3", "display_name": "Physical Sciences" } }, { "id": "https://openalex.org/T10001", "display_name": "Tectonic and Geochronological Evolution of Orogens", "score": 0.9759, "subfield": { "id": "https://openalex.org/subfields/1908", "display_name": "Geophysics" }, "field": { "id": "https://openalex.org/fields/19", "display_name": "Earth and Planetary Sciences" }, "domain": { "id": "https://openalex.org/domains/3", "display_name": "Physical Sciences" } } ], "type": "article", "type_crossref": "journal-article", "updated_date": "2024-08-09T02:31:36.393010", "versions": [], "qid": "Q64574" }
}