 | Loucks, Robert R., Lemish, John, Damon, Paul E. (1988) Polymetallic epithermal fissure vein mineralization, Topia, Durango, Mexico; Part I, District geology, geochronology, hydrothermal alteration, and vein mineralogy. Economic Geology, 83 (8) 1499-1527 doi:10.2113/gsecongeo.83.8.1499 | Journal (article/letter/editorial) | | PolymetallicEpithermal FissureVein Mineralization,Topia, Durango, Mexico-Part I. District Geology,Geochronology...Universityof Arizona,Tucson, Arizona85721 Abstract The Topia districtlieson the westernflankof the SierraMadre...marcasite,chalcopyrite,Ag-rich sulfosalts,electrum, chamosite, muscovite, andcarbonates. Locally,massive sp...datingby Damonandcoworkers. VEIN MINERALIZATION, TOPIA, DURANGO: I. GEOLOGY 1501 These canyonreentrantsand...Topiahavebeenpartiallyexhumed in the canyonof the Rio Topia and remainpartially interredbeneathsilicicignimbrites |  | | Journal (article/letter/editorial) | | PolymetallicEpithermalFissureVein Mineralization,Topia, Durango, Mexico: Part II. Silver Mineral Chemistry and...crustificatiombanded fissureveinsin earlyTertiaryandesites at Topia showthat tetrahedrite-freibergite,polybasite,sphalerite...exceeding0.2 wt percent in at least 15 mineralsat Topia and althoughbornitc,chalcopyrite,and pyrrhotitehavethe...detailedparageneticandzoningstudiesof the western Madre vein at Topia, this was found to be the case. To cite but one...Murdoch University Library user VEINMINERALIZATION, TOPIA,DURANGO:II. CHEMICALZONINGIN VEINS band'smappedextentof |  | | Report (issue) | | concretionary form. Oolites and granules composed of chamosite, carbonate, and hydrated ferric iron oxide or...each other to form iron silicates (greenalite, chamosite, etc.) and the rise of temperature accelerates...and in the southwestern states of Colorado, New Mexico, and Arizona” “Precambrian (p. 934). Iron-Formations...the San Francisco manganese deposit at Jalisco, Mexico, were important advances in establishing the syngenetic...Union of South Africa: Internat. Geol. Cong., 20th, Mexico, 1956, Manganese Symposium, v. 2, p. 39-71. Dimroth |  | | Book (volume) | | and Sr isotropy of La Caridad, Nacozari, Sonora, Mexico compared to other porphyry copper deposits of southern...continental sandsto~es of the Morrison formation, New Mexico, in Formation of Uranium Ore De-posits: lnt. Atomic...El-Teniente and El Salvador, Chile, and Cananea, Mexico, that can also be related to the volcanogenic type...heavily mineralized regions, such as north-central Mexico and central Peru, the spacing of single-stage deposits...and, in the Tayoltita silver-gold district, Durango, Mexico (Albinson, 1978), the average spacing of groups |  | | Book | | with hematite, goethite. lepi docrocite. and chamosite are known in the Eocene continental deposits at... Within the sec ondary minerals, chlorites (chamosite). and "sericite" predominant. A common opaque...Occurrences of oolite iron ores with hematite, chamosite. calcite, pyrite, and siderite are present near...the data of del Rio for a similar mineral from Mexico. Arfvedson (1822) gave the first correct chemical...breccias al Zlatá Baňa. "Delessite" (a Mg-rich chamosite) is abundant in amygdaloidal vugs ol metabasalt |  | | Book (volume) | | Abipon language Abiquiu Dam (N.M.) BT Dams New Mexico — Abiri language USE Birri language Abiring...Anomalies, Congenital Defects, Birth SA USE BT New Mexico— Antiquities Abnormal wakefulness first Westerners...societies Societies Acanceh Site (Mexico) [F1435.1.A35] —Antiquities BT Mexico Acang (Asian people) USE Achang...White-throated swift Acapulco Bay (Mexico) UF Bahia de Acapulco (Mexico) BT Bays Mexico Hennanniidae Heterocheylidae...Educational acceleration character) — — Stress BT — Mexico Prunellidae Stress (Linguistics) centrifuge |
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