 | Maiden, K.J., Innes, A.H., King, M.J., Master, S., Pettitt, I. (1984) Regional controls on the localisation of stratabound copper deposits: Proterozoic examples from southern Africa and south Australia. Precambrian Research, 25 (1) 99-118 doi:10.1016/0301-9268(84)90026-3 | Journal (article/letter/editorial) | | Copper Mine, Klein Aub (SWA/Namibia) 3 Formerly M.T.D. (Mangula) Limited, Mhangura, Zimbabwe; now General...Limited, Mhangura (Zimbabwe) 5Lomagundi Smelting and Mining Limited, Chinhoyi (Zimbabwe) ABSTRACT Maiden...Sinclair Sequence; (2) Alaska and Mhangura in Zimbabwe, where deposits are hosted by argillites,arkoses...(1) direct chemical processes; (2) replacement of pyrite or organic matter; (3) adsorption on clays, etc...SELECTED DEPOSITS Klein Aub, SWA/Namibia Klein Aub mine is at the south-western extremity of a m ~ r a l |  | | Journal (article/letter/editorial) | | setting of the Palaeoproterozoic Magondi Supergroup, Zimbabwe – Type locality for the Lomagundi carbon isotope...the Archaean granitoid-greenstone terrain of the Zimbabwe Craton and experienced deformation and metamorphism...deeper-water shelf to continental slope deposits in the west (Piriwiri Group). Based on the upward-coarsening...strike and, more dramatically, across strike to the west, reaching upper amphibolite to granulite facies...the Magondi Basin, the Limpopo Belt between the Zimbabwe and Kaapvaal cratons, and the Kheis Belt on the |  | | Journal (article/letter/editorial) | | Colorado. John Betts specimen and photo. mine or Garnet Hill mine), near Southbury, New Haven County, and...periodically available from the Becker quarry at West Willington, Tolland County, where they are found...crystals to 2 cm have been collected at the Island mine, Alstead, Cheshire County, and similar pegmatitic...place), Oven, and Humphrey mountains, and the Crehore mine on Casey Mountain (Sinkankas 1959). Good almandine...localities. These include 16-cm crystals from Avondale, Chester County; red dodecahedra and trapezohedra |  | | Journal (article/letter/editorial) | | Sulphide Zone (MSZ) mineralization of the Great Dyke, Zimbabwe. The PGE in the sulphide zone occur dominantly...the Hartley mining operation on the Great Dyke, Zimbabwe, at a time of historically high PGE prices illustrates...associated with sulphides of Fe (pyrrhotite and pyrite), Cu (chalcopyrite) and Ni (pentlandite) and are...partly oxidized Pt mineralization at Hartley mine, Zimbabwe.20 Duyvesteyn, Liu and Duyvesteyn 20 reported...from the PGE mineralization of the Great Dyke in Zimbabwe, where the PGE are typically hosted in a 1–2 m |  | | Report (issue) | | Philadelphia 1922 Natural size. Abnormal pyrite crystals, French Creek mines, Chester County, Pennsylvania...corundum mines at Unionville, Brinton's quarry south of West Chester, and the French Creek iron mines. One of...The following analysis of "chrome ore" from Wood's mine by Garrett (1852: 45) lies may be taken as an example...into 9 parts. The locality symbol is of the form: "West Chester 5322," which is to be as: U. S. interpreted...interpreted Geological Survey topographic sheet, West Chester Quadrangle, fifth section, third secondary |  | | Report (issue) | | crystal is 9 mm. Frontispiece: Azurite, Burra copper mine; 5 mm crystal group on chrysocolla. INTRODUCTION...minerals came from Johannes Menge who was appointed Mine and Quarry Agent to the South Australian Company...out by Tony Turner. NORTHERN TERRITORY NORTH WEST PROVINCE RALIA CENTRAL NORTH fie Eyre \N roa...Island ___ Mount Lofty Ranges Murray Basin North West Province_ __ __ North East Olary Province South...galena, proustite, and jamesonite at the Talisker mine, 16 km south of Normanville. Flinders Ranges—'silver |  | | Report (issue) | | LIMESTONE AND OCTORARO SCHIST OF THE DOE RUN AND AVONDALE REGION, CHESTER COUNTY, PENNSYLVANIA. By ELEANORA...within the belt of crystal- southern half, the Avondale region (see fig. 5, p. 17), has been studied by...3.-Index map showing location of Doe Run' and Avondale region, Chester County, Pa. line schists and...distribution of these formations in the Doe Run and Avondale region is shown on Plate I. It may be of interest...correlation of sedimentary formation& of Doe Run and Avondale region, Pennsylvania. Southern Appalachian region |  | | Report (volume) | | _-_---___ Geology of the McCalls Ferry-Quarry ville district. ________________ Pre-Cambrian rocks of sedimentary...origin..__________________ Pre-Glenarm rocks of the Mine Ridge upland__.______._. Baltimore gneiss._.___-__-_--__-____...Mountain and vicinity.... Paleozoic stratigraphy of Mine Ridge upland and vicinity._ Lower Cambrian rocks...rocks of the McCalls Ferry-Quarry ville district..-----._---_-_-..---------_----_---_-______._ Chickies quartzite...Continued. Geology of the McCalls Ferry-Quarryville district Continued. Paleozoic sedimentary rocks Continued |  | | Journal (article/letter/editorial) | | occur with rhodonite in ore of the Betts manganese mine at Plainfield, Massachusetts. Exceptional garnet...at several localities in Figure 2. A classic Avondale, Delaware County, Pennsylvania, spessartine specimen...dominant in crystals from Leiper’s quarries in Avondale and Springfield and at Upland, but that the exceptional...United States are from pegmatites of the Amelia district, Amelia County, Virginia (Sinkankas 1959, 1997)...at the Rutherford mine, and a 96-carat faceted red-orange stone from the same mine is in the American |  | | Journal (article/letter/editorial) | | area covered by the Philadelphia and Coatesville-West Chester Folios showing reported and observed occurrences...covered by the IJ.S. Geological Survey's Coatesville-West Chester and PhiladelptLiafolios (Fig. 1). It includes...Anna I., Geology of the McCalls Ferry-Quarryville District, Penna. : U..t.G.S., Bal,l,etin 799, 7 l-84 (1929)...limestone and Octoraro schist of the Doe Run and Avondale region, Chester County, Pa.: U.S.G.S., ProJ. Paper...GeologicalSurvey.l5A few minor modifications in the West Chester lsCloos,Ernst,Geologl'and structureof t |  | | Book | | " Ajax, Line and 8 7 ' ' 10 For "Coronet Mine'" Coronet Hill. For ' ' " three miles " after...near Strathalbyn, Wallaroo Bay, Yudanamutana Mine, Daly Mine, Winninnie, Flinders Heights. AGATE. All over...ALBITE. Olabidnie Creek. ALLOPHANE. South-east district in Miocene rocks. ALMANDITE. Mount Babbage,...ORE. ANGLESITE. sulphide, Mount Fitton Mine. Aclare Mine. Wilpena Pound. ANKERITE. Gill's Bluff...ANNABERGITE. APATITE. ; Mount Bold. Young's Mine (near Blinman), Nicholl's Nob. Kurilla and Wallaroo |  | | Report (issue) | | interest in the geo logy and mineral resources of Zimbabwe which followed the removal of United Nations sanctions...original Bulletin is the insertion of Table IIIA, Zimbabwe Mineral Production and Value, on page 114A. Due...for views of Wankie Colliery and the Trojan nickel mine, and to the Photographic Section of the Ministry...near Salisbury. facing page 23 IV Trojan Nickel Mine, near Bindura. facing page 33 V The Great Dyke...Complex. VI Chrome seam in the Great Dyke, Vanad Mine. VII Lower Karoo Landscape. No. 1 Colliery, Wankie |  | | Journal (article/letter/editorial) | | specimens: Leiper's Upper and Lower Avondale quarries, Avondale; Leiper's quarry, Springfield Township;...was in Avondale, where he erected several mills for the manufac ture of snuff. Upper Avondale quarry...(Figure 3), owner of the quarries at Springfield and Avondale, was born in Strathaven, Lanark, Scotland, December...Leiper's Upper (2) and Lower (3) Avondale quarries were located in Avondale (now Swarthmore), Ridley Township...Township. Leiper's residence "Strathaven" (4) on Avondale Road is located in the present-day town of Wallingford |  | | Journal (issue) | | Geological Society of Zimbabwe Newsletter June, 2011 Geological Society of Zimbabwe 1960 -2010 G S Z...Newsletter June 2011 Tectonic evolution of the Zimbabwe Craton in the early Palaeoproterozoic. (a) Following...Following Söderlund et al. (2010), the Zimbabwe craton is positioned along the eastern margin of the Superior...basin initiated. (c) Assembly of the Kaapvaal and Zimbabwe cratons, and unknown terrane, Terra Incognita...Incognita at ca. 2.0 Ga led to tectonic escape of the Zimbabwe Craton and dextral shearing in the Limpopo Belt |  | | Journal (article/letter/editorial) | | East Goshen; General Trimble's mine, nea,rPlanebrook; the Chester Co. mine, near Phoenixville; and French...and strengite' in very attractive specimens. This mine has been abandoned for 10 years, and no good crystals...were obtained, Another old wavellite mine at Ross farm, just west of the Tusca,roraRiver, 8 km. south...northwest of the previous mine) was visited, but no specimenswere found, as the mine has been abandoned for...next group of localities visited were in the coal district along the Mahanoy valley, from Shamokin to Mauch |  | | Journal (article/letter/editorial) | | W. B. W. . Cady, Gilbert H. Coal Resources of District No. I (Longwall). Review by A. D. B. ...........Review by R. c. m. ............. Coal Resources of District No. I (Longwall). By Gilbert H. Cady. Review by...by A. B. D ........... Coal Resources of District No. VII. By Fred H. Kay. Review by A. B. D. .........the Octoraro Mica-Schist, of the Doe Run-Avondale District, Coatesville Quad..... rangle, Pennsylvania... Review by R. C. M. ........... Kanawha County, West Virginia. By Charles E. Krebs. Review by W.B.W. |  | | Journal (article/letter/editorial) | | Ingen; the fault a short distance inland from the west side of Colliers Bay in Conception Bay, which may...the volcanic series; and lastly, the fault on the west side of Random Sound, which may be traced for fifteen...on the upturned beveled edges of members of the Avondale volcanic series. Along Colliers Bay the Lower...less vertical basalt flows and breccias of the Avondale volcanic series. At Chapel Cove the Lower Cambrian...Cryptozoan limestone beds of Lower Cambrian age. Just west of Manuels three exposures of the unconformable |  | | Journal (issue) | | MINERALOGICAL CLUB OF PHILADELPHIA , THE MINERALS OF THE AVONDALE AND LEIPERVILLE LOCALITIES , CHINA CLAY IN CALABRIA...MINING SHAFT IN THE WORLD , TURQUOISE BEDS IN THE WEST , 72 79 80 PUBLISHED BY THE MINERAI COLLECTOR COMPANY... 6S TEE MINERAL COLLECTOR. THE MINERALS OF THE AVONDALE AND LEIPERVILLE LOCALITIES. INCLUDING A. O. DESCHONG'S...which was to be found. The quarry furthest north and west of the group is known as " Swarthmore Quarry." The...being 7.5 to 8. The quarry known as the upper Avondale granite quarry produces much of the stone used |  | | Journal (article/letter/editorial) | | reported on a trip taken by several members to Avondale and Lieperville, Delaware Co. He exhibited cyanite...in the Caribou District of British Columbia, and mentioned the valuable lode district of southeastern...many specimens of minerals. Lake Kootenai in this district furnishes mainly gold, lead, copper and zinc minerals...minerals. Emphasizing the Rochester locality he cited pyrite of a dodecahedral habit in dolomite as one of the...color. Sp. Gr.5.602. OccuntoNcn: Found in the Animas Mine of the Compagnie Aramayo de Mines en Bolivie at |  | | Journal (article/letter/editorial) | | Our first stop in southern Pennsylvania was at the West Ridge Quarry at Blue Ridge Summit, Adams County...of Thomasville, York County, which is seven miles west of York on U. S. Route 30. One must stop at the...Iron Mine of the Bethlehem Steel Co. in Cornwall, ROCKS AND MINERALS Lebanan County. This mine, I must...seen. W e were permitted to collea specimens of pyrite and hematite crystals on the dumps. Other minerals...apophyllite, calcite, natrolite and pectolite. The mine was first opened in 1740, and the company operates |  | | Journal (article/letter/editorial) | | next group of localities visited were in the coal district along the Mahanoy valley, from Shamokin to Mauch...Mauch Chunk. At Mahanoy City Colliery pyrite and pyrophyllite were found. Permission was secured to visit...Greenough binocular. Mr. Gordon reported a trip to Avondale and Leipervi.lle, with Dr. Hawkins and Mr. Ford... Fe 1.55' S 9.65 %. Occunnnr*cn At the Cocinera mine, Ramos, San Luis Potosi, Mexico; in the oxidized |  | | Journal (issue) | | companionable disposition, I induced a well-known West Coast prospector to accompany me by suggesting that...in geological phenomena and in the formation of West Coast mineral deposits, there is a valuable lesson...lesson to be learned. The mineral deposits of the West Coast are frequently formed along fault THE MINERAL...sphalerite (zinc blende), and now and then a little pyrite and chalcopyrite. Barite has occasionally been...drifts. As the crude material is taken from the mine, it is in a number of cases concentrated by a hand-cobbing |  | | Journal (article/letter/editorial) | | imbedded in tourmaline. Muscovite, biotite and pyrite and two specimens of hyalite colored yellow by...have been quarried along the Schuylkill and in West Philadelphia. The miinerals found in this region...Railroad. In a quarry south of the Station, and west of the railroad, chalcopyrite, malachite and chrysocolla...Frankford to the Wissahickon, with a strike nearly west, probably rising on the crest of an anticlinal wave...oligoclase. In a small quarry on Little Tacony Creek west of Frankford Road apophyllite was found; the first |  | | Journal (article/letter/editorial) | | Changesin hornblendeatabout800"C.,. 393 Barringer HilI district of Texas, . t22 report on. (Brown). r29 Barth...sands (Foshag, Czechoslovakia. Greenland. borg District, Short).. 428 74 (Stewart). (crystallographic... J. W. Book review. . Guild, F. N. Relation of Pyrite to 536 168 451 wolframite.... Harrington, V....----''l'wonew minerals from the Lake SuPerior iron 119 district 83 Krenner, J. S.. - and Loczka, J. Krieger,...raphy of stibnite and orpiwolfra'mite. to relation Pyrite, mentfromManhattan, Nevada 365 4sl (Guild). Palmer |  | | Journal (article/letter/editorial) | | uranophane. The 3-cm specimen is from the Number 20 mine near Spruce Pine, Mitchell County, North Carolina...Figure 5. A 2-cm uraninite cube from the Cardiff mine, Wdberforce, Ontario, Canada;Canadian Museum of...Morris and Passaic counties, New Jersey, and from Avondale, Chester County; from Upland and near Vera Cruz...scientific purposes (Genth 1879). The Spruce Pine district of Mitchell County has been particularly productive...octahedral faces have been found at the Deer Park mine in and on coarse brown biotite and associated with |
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