 | | Report (chapter) | | Kadoma region of the Midlands greenstone belt, Zimbabwe R. J. H E R R I N G T O N Department of Mineralogy...located in distinctive structural settings, and Zimbabwe is a good example with over 90% of its gold production...hosted deposits. The structural framework of the Zimbabwe craton is dominated by the evolution of the c...Battlefields. The Archaean Midlands greenstone belt of Zimbabwe has been a significant gold producer on the world...Valley (c. 35 t Au produced), together with the minor Erin and Hamburg deposits, comprise dominantly discrete |  | Simmons, George Clarke, Gualtieri, J.L., Close, T.J., Federspiel, F.E., Leszcykowski, A.M., Hyndman, P.C. (1983) Mineral resource potential of the Hells Canyon Wilderness and contiguous roadless areas, Wallowa County, Oregon, and Idaho, Nez Perce, and Adams counties, Idaho. Open-File Report Vol. 1983 (83-397) US Geological Survey doi:10.3133/ofr83397 | Report (issue) | | event occurred during the Permian when basalt and andesite flows and vol cam* clastic rocks were deposited...underlined] ! Cache Creek Rapids adit 2. Yellowboy mine 3. Little Cougar Creek adit 4. Cottonwood Creek...First Creek adit 10 * Salmon Bar adit 11. Pullman mine 12. Pullman Gulch prospect 13. Lower Sheep Rapids...55. 56. 57. 58. 59. 60. 61. 62. 63. Blue Jacket mine Kirby Creek prospect Sadie prospect Crooks Corral...placer Iron King group Temperance placer Duncan mine High Bar adit Hat Point prospect Old Timer prospect |  | | Journal (article/letter/editorial) | | diorite and granodiorite locally intrude both the andesite and graywacke and commonly have associated porphyry...Whitianga Group interfinger with and overlie the andesite, forming several calderas with widespread ignimbrite...the Hauraki goldfield are hosted mainly within andesite of the Coromandel Group (Figs. 1, 2), with gold...an th w Co sh ed Aâ 1090 Whiritoa Andesite (andesite) (6.68 to 6.16 Ma K-Ar) Boundary of demagnetised...Waipupu Formation (andesite and quartz andesite) (7.36 to 6.76 Ma K-Ar) Outline of Martha mine open pit Homunga |  | | Journal (article/letter/editorial) | | as ever filled. B u t even in th e zone of w eath erin g , em pty cav ities w ill be associated w ith p...Carboniferous beds; and above these are igneous rocksâ andesite, trachyte, and gabbro. The dike rock is a lig...those of the Chinese Survey. The rock is an augite-andesite porphyry, of rather fine grain for so great a...an g reported the dike about 70 feet thick in the mine. The fact 5 M. J. B uerger and J esse L. M aury:...Messrs. Dupont and Mathieu in the coal mine at Linsi, Chihli. The mine is at the east end of the Kaiping basin |  | | Report (issue) | | Phase V, Deliverable 69 By Richard J. Goldfarb, Erin E. Marsh, Eric D. Anderson, John D. Horton, Carol...Phase V, Deliverable 69 By Richard J. Goldfarb,1 Erin E. Marsh,1 Eric D. Anderson,1 John D. Horton,1 Carol...quartzite Rhyolite, rhyolitic ignimbrite Meta-andesite porphyry Grained amphibolite Meta-conglomerate...Plagioclase-rich amphibolite (meta-diorite / meta-andesite) Banded iron formation (BIF) Quartzite Actinolite...amphibolitisĂ©s meta-basalts; partially amphibolitisĂ©s meta-andesite Actinolite schist Ultramafic rocks meta-felsic |  | | Report (volume) | | Blenkinsop examine Archaean deformation patterns in Zimbabwe and the adjacent Limpopo Belt and discuss the...Stratigraphic and tectono-stratigraphic problems in Zimbabwe and Western Australia are described in the next...gold mineralization in the Kadoma region of the Zimbabwe Midlands. Three papers describe the structures...:INSOP,T. G. Archaean deformation patterns in Zimbabwe: true indicators of Tibetan style crustal extension...geochronology of Archaean felsic sequences in the Zimbabwe craton: a revision of greenstone stratigraphy |  | | Journal (article/letter/editorial) | | core to increase the understanding of a prospect or mine. However, in tropical climates, postdrilling oxidation...deposit (Fig. 1). The hole contains a sequence of andesite, volcaniclastic rocks, and monzonite, which are...Alteration Milled matrix breccia (monzonite and/or andesite) Kaolinite ± alunite NIR analysis Smectite...± illite ± kaolinite QXRD analysis Monzonite Andesite Volcaniclastic rocks Kaolinite + dickite ± illite...providing field support and access to the Ladolam gold mine. We would also like to thank the Ladolam deposit |  | | Journal (issue) | | fourth spit is in process of forming in the Islote-Erin bay. Oropouche Swamp lands are only a few feet above...Naparima* Parry lands Fyzabad - -- - Caroni âą - Erin/ Ortoire Siparia Morne Diablo Karamat Moruga Lizard...transiwrius ~Id tll ~ ? Toco Bs. (San Souci ? Andesite) Laventille ---- Cuare Lst. Maraval Bs. Hoplite...Caroni T. u. L. Arima T. Eponidesrepandus MIOCENE Erin - Ortoire- lvforuga Teraces, Melajo Bs. Basal...sea. At Sans Souci there is an igneous rock, an andesite intruded into the Toco beds. CENTRAL AND SOUTHERN |  | | Report (chapter) | | mid-Arenig; IA - late Arenig Mu...i,, San,on,A, Port Erin Lonan Cronk Sumark [] Niarbyl Fm (Wenlock) ~... overlying thinly bedded turbidites of the Port Erin Formation (Woodcock et al. 1999). The contact between...with the Maughold Formation in the north of Port Erin Bay is also not exposed, but a major topographic...Woodcock & Barnes 1999) and the outcrop of the Port Erin-Mull Hill Formations is separated as tract 2 (Fig...Maughold Formations and locally in the Lonan and Port Erin Formations, are the most ductile components of the |  | | Journal (article/letter/editorial) | | and Erin Delventhaul Reproduced with permission Figure 2. Fluorite, 14.1 Ă 10.6 cm, Foster mine, Gila...its finest! This photo was taken at the Blanchard mine in Socorro County during early May and shows blossoming...Fluorite production was first recorded from the Foster mine in the Gila fluorspar district, Grant County, in...Burro Mountains and Wilcox districts and the Clum mine in the Gila fluorspar district. Its principal use...dropping production by the mid1950s. The last operating mine in the Bishopâs Cap area near Las Cruces shut down |  | Mehrabi, Behzad, Siani, Majid Ghasemi, Goldfarb, Richard, Azizi, Hossein, Ganerod, Morgan, Marsh, Erin Elizabeth (2016) Mineral assemblages, fluid evolution, and genesis of polymetallic epithermal veins, Glojeh district, NW Iran. Ore Geology Reviews, 78. 41-57 doi:10.1016/j.oregeorev.2016.03.016 | Journal (article/letter/editorial) | | Richard Goldfarb, Hossein Azizi, Morgan Ganerod, Erin Elizabeth Marsh PII: DOI: Reference: S0169-1368(16)30141-X...Richard, Azizi, Hossein, Ganerod, Morgan, Marsh, Erin Elizabeth, Mineral assemblages, ïŹuid evolution,...Richard Goldfarbb, Hossein Azizic, Morgan Ganerodd, Erin Elizabeth Marshb Department of Geochemistry, Faculty...east of the North Glojeh veins. However, historic mine workings can be seen as tunnels and wells in the...non-porphyritic, massive lava flows of andesite, basaltic andesite, and basalt (Aghazadeh et al., 2010, |  | | Journal (article/letter/editorial) | | Mercury and methylmercury in riparian soil, sediments, mine-waste calcines, and moss from abandoned Hg mines...reassessment of mining tailings, Black Swan nickel mine, Kalgoorlie, Western AustraliaâLiangqi Lei and Ron...sulfur isotope geochemistry of acid mine drainage at the Mt. Morgan mine environment, Queensland, AustraliaâM...by secondary minerals, Summer Camp pit, Getchell mine, NevadaâR.J. Bowell and J.V. Parshley 0361-0128/98/000/000-00...minerals and coexisting water from the Richmond mine, Iron Mountain, CaliforniaâHeather E. Jamieson, |  | | Journal (article/letter/editorial) | | Flow in the Colorado River Extensional Corridor a Erin Campbell-Stone & Barbara E. John a a University...Published online: 14 Jul 2010. To cite this article: Erin Campbell-Stone & Barbara E. John (2002) Temporal...Flow in the Colorado River Extensional Corridor ERIN CAMPBELL-STONE1 AND BARBARA E. JOHN Department of...wall (Spencer, 1985); (3) 14.6 ± 0.2 Ma untilted andesite (Spencer, 1985); and (4) the unfaulted 14.3 Ma...factor. In experiments conducted on granite and andesite in the brittle regime, Masuda (2001) found that |  | | Report (issue) | | River Ornamental quartzite occurrence Churchill Mine Toad River hot springs Liard River hot springs Smith...Cantung Mine King Jade Mine Side trip to the Cassiar and Dease Lake areas Cassiar Asbestos Mine Snowy Creek...Dease Lake-Cry Lake jade occurrences Fiddler Yukon Mine Seagull Creek occurrence Side trip along Cano) Road...Columbia Atlin-Ruffner Mine Atlin placer deposits Atlin Lake occuITence Engineer Mine Side trip to Carcross...Union Mines Yukon Antimony Mine Arctic Caribou (Big Thing) Mine Venus Mine Miles Canyon Whitehorse Copper |  | | Journal (article/letter/editorial) | | for integrated observations on greenstone belt and mine scales in order to relate the formation of mineralized...BD BF K W T MM CR H V-D ST. IVES Mining Centre Mine referred to in text and not shown on more detailed...Sill has yielded only 70 kg Au, from the Glenrock mine area. Less magnesian intrusions (< 14% MgO) such...Hampton-Boulder. Similar structures at the Sigma mine, Quebec, have been described in some detail by Robert...and Talbot mines at Broad Arrow. At the Victory mine, a strong ductile shear fabric and subvertical quartz |  | | Journal (article/letter/editorial) | | APPLIED GEOCHEMISTRY Vol. 17, No. 10, 2002 Assessing mine drainage pH from the color and spectral reflectance...Stirling 1191 Ordoñezite from the Theodoso Soto Mine, Sapioris, Durango, Mexico: New data and structure...T.F.C. Campos 173 Vol. 143, No. 6, 2002 The andesite aqueduct: perspectives on the evolution of intermediate...795 Calcic cores of plagioclase phenocrysts in andesite from Karymsky volcano: Evidence for rapid introduction...Mechanical coupling between the Landers and Hector Mine (California) fault systems DOI 10.1029/2002GL015212â |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . Churchill Mine. . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . Canada Tungsten Mine........................................ King Jade... . . . . . . . . . . . . . . . Cassiar Asbestos Mine . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . Fiddler Yukon Mine . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . Atlin-Ruffner Mine . . . . . . . . . . . . . . . . . . . . . . . . |  | Christie, A. B., Simpson, M. P., Brathwaite, R. L., Mauk, J. L., Simmons, S. F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102 (5) 785-816 doi:10.2113/gsecongeo.102.5.785 | Journal (article/letter/editorial) | | production was from deposits hosted in Miocene andesite and dacite of the Coromandel Group, although this...steeply dipping planar veins occur in the oldest andesite and dacite in the northern portion of the goldfield...well-developed crustiform textures, formed in andesite and dacite in the southern goldfield at 7 to 6...veins in 1861 in what was to become the Kapanga mine (Fig. 2, Table 1). Prospecting elsewhere in the...ended with the closure of the underground Martha mine at Waihi in 1952, although Maratoto and Tui were |  | | Journal (article/letter/editorial) | | bemerkenswert s a u e r. Dort iiberwiegen intermedi~re Andesite und Dazite, neben denen basisehere Gesteine eine...basaltisehen Magmas im Rotllegenden Mitteleuropas erin~ert. Die stofflich-zeit]iehe Abfolge, insbesondere...Limburgit aus Santo Domingo und stark natronhaltige Andesite yon St. Eustasius b e k a n n t geworden. I n |  | | Journal (issue) | | locality. Pyromorphite from on old localityârhe Sherman mine, Burke, Idaho. A small lot of miniatures and hondsize...specimensâ $15 to $500. Liebigite from rhe SchwarTzwalder mine, Golden, Colorado. Well-formed, bright yellow-green...Woo Feature articles Libethenite from the Rokana Mine, Zambia...........................................Mineralogical Notes Tilasite from the Sterling Hill Mine, Ogdensburg, New Jersey 385 by F. J. Parker Tveitite...Novemberâ December, 1978 UBETHENITE from the Rokana Mine, Zambia by Stanley P. Korowski and Cor W. Notebaart |  | | Report (volume) | | ..............'....'................ Diorite, andesite, and related porphyries..........................................................^^ ......... Andesite.................................................geology Continued. Igneous rocks Continued. Diorite, andesite, and related porphyries Continued. Page Lithologic............................................. 36 Andesite.................................................deposits.................................. 80 Rebecca mine and adjacent prospects....................... 80 |  | | Book | | settings created by human activity, such as roadcuts, mine dumps, and quarries. Good examples are also found...other sedimentary rocks, as in this example from Zimbabwe. BANDED magnetite and chert layer GRAIN SIZE...Kimberley, South Africa, is an abandoned diamond mine in a large kimberlite pipe. BIG HOLE, megacryst...economically important, such as here at Phalaborwa copper mine, South Africa. magnetite carbonate mineral ...ORIGIN Extrusion of an acid magma. SIMILAR ROCKS Andesite (p.58) and dacite (p.59), are darker coloured | | | Report (issue) | | determine owing to old records. o KeeleyâFrontier Mine (Cobalt district) produced nearly 1,500 Mt at grades...magnetite zone. W siltstone skarn limestone andesite hornfels Massive biotititeâ analogy to Blackbird...ca/index.php/GC/article/view/3768/4282.) McCullough, Erin, and Nassar, N.T., 2017, Assessment of critical |  | Ankney, Meagan E., Shirey, Steven B., Hart, Garret L., Bacon, Charles R., Johnson, Clark M. (2016) Os and UâTh isotope signatures of arc magmatism near Mount Mazama, Crater Lake, Oregon. Earth and Planetary Science Letters, 437. 25-34 doi:10.1016/j.epsl.2015.12.001 | Journal (article/letter/editorial) | | basaltic andesite units analyzed in this study. Additional units studied include the andesite and basaltic...basaltic andesite of Hillman Peak, dacite of the Watchman, dacite of Munson Valley, rhyodacite of Sharp...these units. Notable examples include the basaltic andesite of Red Cone and the basalt of Castle Point. Strontium...high Th-excesses measured for basalt to basaltic andesite lavas erupted from monogenetic cones in this study...maïŹc lower crust, because the basalt to basaltic andesite lavas that comprise most of the low-Îł Os samples |  | Zamanian, Hassan, Dolatshahi, Somayeh, Yang, Xiaoyong, Karimzadeh Somarin, Alireza, Meshkani, Seyed Ahmad (2021) Geochemical, fluid inclusion and OâHâS isotope constraints on the origin of the Rangraz copper deposit, Central Iran. Ore Geology Reviews, 128. 103877pp. doi:10.1016/j.oregeorev.2020.103877 | Journal (article/letter/editorial) | | began in ancient times and substantial historic mine workings exist at several locations. Modern exploration...of andesite, latite andesite, trachyte-trachyandesite, dacite, rhyodacite, and basaltic andesite. Most...can be divided into three types; basaltic andesite, andesite and trachyandesite (Bazoo bandi et al.,...(Fig. 2): zone 1 is hosted by andesitic tuff and andesite; zone 2 occurs within andesitic tuff, rhyolite...zone 4 is associated with rhyodacite and latite-andesite. Mineralization is local ized mostly along NW-SE |
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