 | | Journal (article/letter/editorial) |
| modern operations in Chile, comprising an open-pit mine and integrated bacterial leaching–solvent extra...alteration facies is more complex—as exemplified by La Hermosa sector (Fig. 2(a) and (b)).5 In this area different...carried out on quartz phenocrysts and on quartz and calcite from the gangue of sulphide veinlets. The results...Fig. 1 for location; (b) northern sector of La Hermosa, geology, alteration, primary and secondary mineral...inclusion data for Andacollo porphyry (samples from La Hermosa sector), after Guzmán5 major point that was not |
 | | Report (issue) |
| Nuevo Leon ... 9 Serrania del Burro. 9 Sierra del Carmen. 12 Sierra Hermosa de Santa Rosa, Coahuila.14...Mountain ranges north of Sierra Hermosa de Santa Rosa and southeast of Sierra del Carmen.15 Mountain ranges...south and west of Sierra Hermosa de Santa Rosa.16 Mountains south of Sierra del Carmen and north of Canon...ranges of eastern Coahuila southeast of Sierra Hermosa de Santa Rosa 22 Mountain ranges of northern Nuevo...Big Bend sunken block to east flank of Serrania del Burro. 7 3. Laccolith in wall of Arroyo de la Leona |
 | | Report (issue) |
| -------------Larsen Quartzite -------------------Hermosa Formation --- - -------------Middle and Upper (...limestones of Hermosa Formation ----Contact-metamorphic deposits ------------Veins in Hermosa sandstones...--------------Falcon mine -------------------------------Aztec mine ---------------------------------Nora Lily mine --...--------------Forest Payroll mine -------------------------Iron Clad (Silver Clad) mine ----------------III ...Mines-Continued Jones gold mine ----------------------------Atlantic Cable mine _________ .;. _____________ |
 | | Journal (article/letter/editorial) |
| mineralizations in the West Asturian Leonese Zone, NW Spain F. Tornos 1, F. Ribera 1, T.J. Shepherd 2, B. Spiro...Tecno16gicoGeoMinerode Espafia, Rios Rosas 23, E-28003 Madrid, Spain 2British GeologicalSurvey, Keyworth,NottinghamNG12...zinclead ores in the Ponferrada-Caurel area (NW Spain) are hosted by the Lower to Middle Cambrian Vegadeo...of the ~breccia ore>>,made up of sulphides and calcite in a matrix of chlorite. The ore assemblage is...metallogenic features of the Ponferrada-Caurel area, in NW Spain. This area has had a short but intense mining history |
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| --------------------------------------------Great Republic mine -----------------------------------------Keystone...n area Ehiporia mine ---------------------------------------------------Ivanhoe mine ---------------...------------------------------------Chloride Nana mine -----------------------------------------------------White...------White Mountain group U. S. Treasury mine i -------------Colossal and Midnight mines ----------...d Eagle mine Silver Monument mine and vicinity -----------------------------Palomas (Hermosa) district |
 | | Journal (article/letter/editorial) |
| subaqueous extrusive–intrusive rocks in the Playa Hermosa Formation in Uruguay: Regional and stratigraphic...Neoproterozoic Peperites Quartz–syenite breccia Playa Hermosa Formation Uruguay a b s t r a c t Volcanic rocks...580 Ma magmatic event is recorded in the Playa Hermosa Formation. In the upper section of this formation...one of the most impressive features of the Playa Hermosa Formation. Hyaloclastites and peperites largely...Kaoko belt (NW Namibia) in Africa. Also, Playa Hermosa Formation presents glacigenic features that are |
 | | Journal (article/letter/editorial) |
| productionis in the Archivesof the Indies, at Seville, Spain,and datesfrom 1568. Llaumett(1983) estimatedthat...300min thickness. Thesequence iscapped dacollo,La Hermosa,andMariposafaults(Llaumett, by a heterogeneous...rocks north (La Coipa and Perlita) and South (Hermosa) (Fig. 4). The mineralization underlies an area...westernzonepossesseszonescontainthe highestgrades,asin the Hermosa onlya fewsillsanddikesofAndacollo porphyrystrik-...Placersformed tite. Ganguemineralsare quartz,andlocally,calcite. mostlyby erosionof the veinsandmantosare located |
 | | Report (volume) |
| System_________________________________________ Hermosa Formation_______________________________________...Chinle Wash ____________ - _-9. West wall of Casa del Eco Mesa____________________ __ 10. San Rafael Group...exposed in the Cedar Mesa-Boundary Butte area is the Hermosa Formation of Pennsylvanian age. In the subsurface...out locally in the San Juan River Canyon. The Hermosa Formation consists mainly of gray cherty limestone...Pennsylvanian and Permian age conformably overlies the Hermosa and consists of 370-555 feet of red siltstone and |
 | | Report (issue) |
| MINERALIZATION IN PALEOZOIC ROCKS BENEATH THE IDARADO MINE, NORTHWEST SAN JUAN MOUNTAINS, COLORADO by James...Paleozoic rocks for mineralization beneath the Idarado Mine. The holes are sited along the highly productive...intersection, economic mineralization at the Idarado mine essentially bottoms at the Tertiary unconformity...Permian Cutler Formation. Calcareous rocks of the Hermosa, Molas, Leadville, Ouray and Elbert formations...skarn. A variety of skarn types are noted. In the Hermosa Formation, this includes rhodonite-epidote, epidote-diopside |
 | | Report (volume) |
| Creek-Willow Creek gap 9 Geochemical information 10 Hermosa district mineralized area 10 Location 10 Production...44 belt Upper basin of Chloride Creek 44 Hoosier mine area, Chloride district 44 IV Contents 29 Favorable...belt-Continued Upper basin of Dark Canyon, south of Hermosa 44 Central Kingston district, north of Kingston...geochemical sample localities 8 4. Sketch map of Hermosa district, showing generalized location of geology...and approximate location of structures, principal mine groups, and anomalous geochemical samples 38 Contents |
 | | Report (issue) |
| Pre-Hermosa rocks__________________________ Pennsylvanian series________________________ Hermosa for...distribution._.______... Paleontology of the Leadville, Hermosa, and Rico formations, by James Steele Williams-...Leadville limestone _ _ _ _ Collections from the Hermosa formation. _ __ Section along the Animas River...____ 98 ___. ________ 99 Deposits near the Century mine. __---_-._-_______ 101 Charlerie ___ __________...features. _ -_____--____-_-_-__--_____ 108 Daisy mine. _______________________________ 109 Darby. _ ______ |
 | | Report (issue) |
| Mexico and Texas, and the Paradox Member of the Hermosa Formation, Colorado and Utah__________________...Mexico, which consists largely of layered anhydrite-calcite rock; Udden (1924, p. 353) found that the anhydrite...Culbertson County, Texas. The laminae of bituminous calcite were about half as thick, or less. Udden believed...their cause. Adams (1944) considered that each calcite layer was deposited during a summer, but that the...M, G H S Winter where C= organic material, Ca= calcite, M=magnesite, G=gypsum, A=anhydrite, H=halite, |
 | | Book (edition) |
| utilization of minerals New New Mexico under Spain Mexico under the Republic of Mexico American occupation—...are 2;iven: 1) the accepted largest crystal of calcite in the of- information name is rarely of...as a Aragonite Malachite Muscovite Azurite Calcite (crystals) Pyrite Calcareous tufa Quartz Chalk...naldo, and pendants of malachite, gypsum, and calcite; and pigments of azurite, hematite, and malachite...MEXICO UNDER 1535.— The first Europeans in New SPAIN Mexico, possibly, were Alvar Nunez Cabeza de Vaca |
 | | Book |
| ......................................... . . Calcite ................................................._ . . . _ . . _ . . . _ . . . . . . . Enterprise mine . . . . . _ . . . _ . . . . _ . _ . _ . . . . ....the northwesterly lodes . . . . . . . . Rico-Aspen mine . . . . . . . _ . . . . . _ . . . . . . . . _ ....Golden Fleece or New Year mine ............................... .. Union-Carbonate mine ...................... . . . . . . . . . . . . . . . . Forest-Payroll mine . . . . . _ . . . . . . . . _ . . _ . . . . . . |
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| limestone) __________________________ Pennsylvanian (Hermosa? formation) ________________________ Permian and..._----.-----.----------.._.... 114 114 Black Queen mine-------_-----_-_-_-_--._-------__.__. Catalpa__.___...Basin________.___________-__-_-..__--___.___.__ Lead King mine.__---_----_---------____--__---___.__ Mineral P...area______.____--__--_---_-_-___-_--_--___.._ North Pole mine------_---.---_-----------------_.___ Galena Mountain...upper part of Mississippian (Leadville) limestone calcite marble southeast of saddle south of Whitehouse |
 | Wareham, Christopher D., Rice, Clive M., Boyce, Adrian J., Rogers, Graeme (1998) S, C, Sr, and Pb sources in the Pliocene Silver Creek porphyry, Mo system Rio, Colorado. Economic Geology, 93 (1) 32-46 doi:10.2113/gsecongeo.93.1.32 | Journal (article/letter/editorial) |
| 1or;n = 16)aresimilar to those forthePennsylvanian Hermosa Formation carbonate (•Sl3C = -6.7 to +2.6%o; x...system. In addi- 1).ThebaseofthePennsylvanian Hermosa Formation, which tion,bycomparison withLaramide...[] Chalcopyrite [] Molybdenite co>,10. I.L ß Hermosa anhydrite -6 -5 -4 -3 -2 -1 0 -7.5to+1...R33/ 338 /% ß Drill Hole Collar 0 Mine dumpsamples /% Hermosa Formation ß Hot springtufa -- --...-2.9 770 -7.10 11.6 -7.50 -3.10 -2.7 10.8 Calcite C28 NH2 1,191 1,478 C32A 929 - 1.10 SC4• |
 | | Report (issue) |
| !':'''--'^''''" ; . , member' ..r Uppe«.fr" Hermosa. ' '" ""member.;. "" : " ' *j-.. ' format ion...->|^';u:-r;S ^;;&:v;-'t./' ;".; £to$%."V'^W: Barite and calcite. . :.:v».;;;../-.;v;«,;;.f:« ..^^£££^$i.£ ioH ...Descriptions of selected carnotite deposits. ..... Penju mine ..................... Deposit #440 ...............Section of the Rico formation and part of the Upper Hermosa member of the Hermola formation ........ 5. Section...deposit (in pocket). . . . 4. Hidden Treasure mine (in pocket) ........... (All plates in pocket) |
 | | Report (issue) |
| Formation........................................6 Hermosa Formation........................................system........................................9 Hermosa Formation, upper member..........................Comparison with faunas of the top limestone bed of the Hermosa Formation in the northern part of the Moab district.............................146 Big Buck (Cutler) mine..........................147 History..............prospect............................151 Small Fry mine.................................. 152 Uranium-vanadium |
 | | Report (issue) |
| Molas Formation.______________________________ Hermosa Formation___________________________ Lower limestone...___________ Sills in the Paradox Member of the Hermosa Formation ________________________________________...Salt Wash Member of the Morrison Formation, Cougar mine area. 10. Fence diagram showing sandstone layers...---_------15 4. Lower limestone member of the Hermosa Formation.___________________---_-_---_----------17...-_-___-_-.21 8. Upper limestone member of the Hermosa Formation___.____.___________________---_--_--__ |
 | | Journal (article/letter/editorial) |
| (Manzano Mountains), E. of Albuquerque. Galena King mine: barite, fluorite, galena, malachite. Hell Canyon...Canyon subdistrict (Seiiora de 10s Milagros mine): copper, cuprite, malachite. Catron County Apache Creek...stolzite. Wilcox district, S. of Mogollon. Lone Pine mine: emmonsite, khademite, lannonite,* mackayite, poughite...poughite, rajite,* tellurium, wilcoxite.* Sacaton mine, Blue Rock and Bit Spar prospects: fluorite. Volume...Mountains. Stevens mine: barite. Hembrillo district, San Andres Mountains. Red Rock mine: talc. Kilbourne |
 | | Report (issue) |
| Paleozoic rocks, exposed ________________________ _ Hermosa Formation ________________________ _ Paradox Member...-------------Photographs of Paradox Member of Hermosa Formation, showing upper part and gypsum in mudstone...________________ Map and sections of the Payday mine __________________________________ -___________...-_______________________________ Map of the Pea vine Queen mine _________________________ ------ ____ -----_- ____...the Paradox Member and the upper member of the Hermosa Formation___________________________ Description |
 | | Report (volume) |
| _________ Pennsylvanian Paradox Member of the Hermosa Formation._______ Summary and conclusions.___-...of black shale from the Paradox Member of the Hermosa Formation. __.__-_--_-_. G4 15 19 23 27 TABLES...of black shale from the Paradox Member of the Hermosa Formation._________________________________________...of black shale from the Paradox Member of the Hermosa Formation_ _______ 28 30 CONTRIBUTIONS TO GEOCHEMISTRY...rocks of the Pennsylvanian Paradox Member of the Hermosa Formation of Utah, copper and zinc are asso " Uc |
 | | Journal (article/letter/editorial) |
| University] at 05:52 29 January 2015 FRENCH CREEK IRON MINE, CHESTER COUNTY, PENNSYLVANIA M any minerals described...specimens. One such locality is the French Creek iron mine, Chester County, Pennsylvania, an occurrence worthy...chalcocite, bornite, pyrite, tetrahedrite, and even calcite pseudomorphs after chalcopyrite. Chalcopyrite is...of chalcopyrite crystals from the Old Lurzenbach mine, Gosenbach, Siegen, Germany. Jack Halpern specimen...at Rossie, St. Lawrence County, at the Sterling mine, Jefferson County, and in very large crystals associated |
 | | Report (issue) |
| Fault BN Blue Nose Mine Al Alta Mine H Hermosa Mine and Fault Am American Mine JN January-Norton...Fault AP American Peak M Mowry Mine and Townsite BE Bender Mine T Trench (Hagen) Vein 201 Fleetwood...Stratiform Types Massive Silica 2.4 Red Clay 1.5 Hermosa 4 Hardshell Incline 5.5 0.008 0.005 2) % Pb...Cl) zircon ZrSi0 4 Gypsum CaS0 4 •2HzO Calcite CaC0 3 Mn-Calcite Ca(Mn)C0 3 Rhodochrosite MnC0 3 siderite...bonanza silver halide mineralization at the Hermosa mine (Figs. 4 & Sb) on the SE end of Hardshell Ridge |
 | | Report (volume) |
| Leadville limestone with Molas formation .......... Hermosa and Cutler formations._____._.___.___...__.__....limestone. Mo las formation. Hermosa tion. Hermosa tion. Hermosa formation. Elbert formation. Uncompahgre...(cummingtonite?). Actinolite. Epidote. Quartz. Calcite. Thuringite. Stilpnomelane. Chlorite (Prochlorite...(silver-lead-zinc) Sericite. Quartz. Chlorite. Calcite. Siderite. Barite. (Dolomite) . (Rutile). (Anatase)...Manganiferous calcite. (Apatite) . Apatite. Rutile. Siderite. V (Dolomite). Calcite. (Anatase). (Zircon) |
Hermosa Mine, Sel del Haya, Cobijón, Udías, Cantabria, Spain