 | 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) | | Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand ANTHONY B. CHRISTIE,†GNS Science...Science, P.O. Box 30-368, Lower Hutt 5040, New Zealand MARK P. SIMPSON, School of Geography, Geology and...1142, New Zealand ROBERT L. BRATHWAITE, GNS Science, P.O. Box 30-368, Lower Hutt, New Zealand JEFFREY...92019, Auckland Mail Centre, Auckland 1142, New Zealand Abstract Epithermal Au-Ag vein deposits of the...the Hauraki goldfield in the Coromandel volcanic zone, New Zealand, produced 320,000 kg Au and 1.5 million |  | | Book | | € Kancy's Computo 6.5.96 THE HANDBOOK OF NEW ZEALAND MINES (WITI MAPS AND ILLUSTRATIONS). PART I...Menorian Cuthern Cara GENERAL GOVERNMENT OF NEW ZEALAND. LEGISLATURE . The Legislature is composed...the development of the mineral resources of New Zealand , I have for a long time thought that a great...Although I had been living eighteen years in New Zealand, I had never learned, nor even realized, that...great extent of country containing gold-bearing quartz reefs both in the Nortii and South Islands is |  | | Report (issue) | | Geological Survey, an intensified program of research on new sources of heavy metals, particularly .gold. Data...Yellowknife district of Canada contains 10 ppb gold compared with 100 ppb gold in a quartz-feldspar porphyry...localities in North America and the U.S.S.R.: Algoma District, Ontario; Westerly, R.I.; Wausau, Wis.; Stone...considered the source of the gold mineralization in the region, are lower than the gold content of the older mafic...and Brownlow (1967) showed that the Marysville quartz d i or it e stock in Mont an a has an appreciably |  | | | | NORTH ISLAND NEW ZEALAND Poor Kn1ght1 Is • . ,, r ,n H~n & C h1ck...Rivt~r I'. MY OF East C,pe Pf.NEW PLYMO • Cil.pe Eimo C • Portl.lfld I MY Secretar)'...ISLAND f Pq,1 Pt., 1~s II t I SOUTH ISLAND NEW ZEALAND +I s University College Cardiff Library...' _____ TELE - . _, • The Geology of New Zealand Volume 2 •• J-----~---.. ~ ::,,::::j::~....Associate Editors: G. R. Stevens, M. T. Te Punga New Zealand Geological Survey, Department of Scientific and |  | | Book (volume) | | NORTH ISLAND NEW ZEALAND Poor Kn1ght1 Is • . ,, r ,n H~n & C h1ck...Rivt~r I'. MY OF East C,pe Pf.NEW PLYMO • Cil.pe Eimo C • Portl.lfld I MY Secretar)'...ISLAND f Pq,1 Pt., 1~s II t I SOUTH ISLAND NEW ZEALAND +I s University College Cardiff Library...' _____ TELE - . _, • The Geology of New Zealand Volume 2 •• J-----~---.. ~ ::,,::::j::~....Associate Editors: G. R. Stevens, M. T. Te Punga New Zealand Geological Survey, Department of Scientific and |  | | Report (volume) | | ..................................... Cambria-Oceanic district..........................00.0 Geologyo...Mines and prospects.»............................. Cambria....................................... Fitzhugh................................... Klau-Mahoney district................................. Geology.............................................. Mine s o............................o............... Capitola...CONTENTS Page Mining districts Continued. Rinconada district.................................... Geology.. |  | | Report (issue) | | Africa Canada ••• ••• India ••• Australia ••• New Zealand • •• ••• ~ REFERENCES TO TECHNIOAL LITERATURE...the old-established fields in California, but no new depo,s its of permane·n t valu•e were discove·r ed...the Nikitovsky deposits in the Eka.t erinbslav district of South Russia. Before the war Germany produced...has be,e n discovered lately in t be Ma,r oni district of Dutch Guiana. Other counltries fro.m which...obtained a-r e Portugal, S1erbia, Algeria, Austra1ia, New Zea.l and, Japan (including Formosa), the Konia,h |  | | Journal (article/letter/editorial) | | side dressed or planed. TRAIN SlGNAL.-Daniel New York City. S. CROSSCUT SAw,-J ohn Flesher, EdgingÂ...lifetime of the gin. SHOE BURNISHER. - Walter New Bedford, Mass. Lawes, This invention provides a...clear coal, three-quarter coal, or the run of the mine may be loaded in cars on two con tiguous tracks...Charles H. Mexico. E. Wilkie, Silver Smith, City, New capable of communicating a positive rotary motion...X P L O S I V E S. Wilbraham E. Liardet, Cambria, New South Wales. This Invention covers a process |  | | Report (volume) | | character...................................... 9 Cambria..................................................Mountain.............................. Miller coal mine.............................................. Philpott................................................ Cambria..................................................................................... Village and mine equipment, by C. T. Lupton................... Population.......... 3 43 4 CONTENTS. Coal Continued. Cambria Continued. Robbersroost Canyon................ |  | | Book | | that need has been supplied by the building of the new roads into the central part of the state, and an...of new plants will be installed as soon as the season is open. The gold usually occurs in quartz veins...usual ore carrying sil¬ ver, but at the Esterbrook mine, in northern Albany County, a vein of cerusite or...carbonates, are found. The Grand Encampment Copper District, in southern Wyoming, is the leading producer...productive area in Wyoming is included within the Plains region. More than half of the coal produced in Wyoming |  | | Report (issue) | | the comparatively flat top of the general upland region. This drainage system occupies approximately the...development of these coals is in the vicinity of New Bethlehem. The Freeport coals are of excellent quality...Lower Freeport coal in mine No. 11 of the Fairmount Coal Company, 3 miles north of New Bethlehem (No. 2)....averages 2£ feet in thickness except in the vicinity of New Bethlehem, where two sec« Numbers refer to corresponding...Kittanning coal in Sam Shank'el bank, 1 mile northwest of New Bethlehem (No. 4). Ft. in. .................... |  | | Report (volume) | | ............................'... 42 Johnstown district............................................. 42...Description by districts Continued. Johnstown district Continued. Allegheny coals Continued. .Upper Kittanniug.................... 61 South Fork-Mineral Point district............................. 61 Extent....................................... Blacklick Creek district......................................... Extent...Description by districts Continued. Blacklick Creek district Continued. Allegheny coals Continued. Middle Kittanning |  | | Report (issue) | | Co., Chicago, 111. c Sample from Eimer & Amend, New York, N. Y. d Residual limestone clay from Staunto'n...Fairbank Co., Chicago, 111. «Sample from Eimer & Amend, New York, N. Y. d Sample from Queen & Co., Philadelphia...certain allies, H., Clays and clay industries of New Jersey: Final Repts. Now Jersey Geol. Survey, vol...in June, 1906; Eimer & Amend, from Eimer & Amend, New York, N. Y. Pipe clay (sample from Eimer & Amend)...rational analysis kaolin, 91..51; orthoclasc, 7.61; quartz, 0.88 which is calculated from the analysis given |  | | Journal (article/letter/editorial) | | Trough, is flanked to the west by the Rocky Cape region of Precambrian rocks within which major, apparently...sedimentary deposits of the Dundas Trough and the Tyennan region of Precambrian rocks to the east. A lava-dominated...movements along faults near the margin of the Tyennan region resulted in erosion of the mineralized volcanics...in the northeast where deeper marine turbidite quartz-wacke sequences were deposited during the Ordovician...largest area of Precambrian basement is the Tyennan region, extending from the southwest coast to the Central |  | | Report (issue) | | Formations. The Paleozoic sediments of the plateau region probably occur at a considerable depth beneath...cones, coincide with it or lie parallel to it. The region between St. George and Fillmore is known as a zone...action, as is shown by its presence in a volcanic region where recent eruptions have occurred. It is presumably...C. Gold and pyrite deposits of the .Dahlonega district, Georgia. In Bulletin No. 213, pp. 57-03. 1903...metalliferous ores in, work on.......... 10 Adams mine, N. C., description of........ 416-417 Arkansas |  | | Report (issue) | | States • • • ••• Australia • • • ••• • •• •• • New Zealand ••• ••• 0 • . •• • •• • .... • •• ••• ••...veins of which quartz is usually the principal gangue mineral, but more commonly in quartz or quartzose...little silver; maldonite, which, as occurring in the quartz of the Nuggetty reef, Maldon, Victoria (Australia)...California, and the west coast of the South Island of New Ze.a land. 1 ' r 7 • • The auriferous conglomerates...examples are the '' saddle reefs'' ·(auriferous quartz veins) in the Ordovician of the Bendigo gold'field |  | | Report (volume) | | the current-year issues of the monthly catalog "New Publications of the U.S. Geological Survey." Prices...and Lockport Groups) in the Type Area of Western New York By Carlton E. Brett, Dorothy H. Tepper, William...the U.S. Government. Published in the Eastern Region, Reston, Va. Library of Congress Cataloging in...and Lockport Groups) in the type area of western New York I by Carlton E. Brett ... [et al.]. p. em- (U...Geology, Stratigraphic-Nomenclature-New York (State)-Niagara County Region. I. Brett, Carlton E. (Carlton |  | | Report (issue) | | the current-year issues of the monthly catalog "New Publications of the U.S. Geological Survey." Prices...Alaska Distribution Section, U.S. Geological Survey, New Federal Building - Box 12 101 Twelfth Ave., Fairbanks...Distribution. Bldg. 810, Federal Center FAIRBANKS, Alaska-New Federal Bldg., 101 Twelfth Ave. Chapter B Distribution... Index map of Salinian and Nacimiento blocks, Cambria and Point San Luis slabs, and Santa Maria basin...basin define three sandstone petrofacies: (1) a quartz- and feldspar-rich assemblage that contains abundant |  | | Journal (article/letter/editorial) | | SillJike massesof Miocene diabasehave invadedthe Cambria Felsiteextensi.vely vicinity of the geode locality...rhyolitic erosional remnants of the Oligocene somewhat Cambria Felsite,chieflya crystal-bearing, unconlies which...encounteredapproximatelyl3 km eastof the town of Cambria,in SanLuis Obispo County.Theseinterestingspherical...recognizedOligocenesilicic volcanic unit. the Cambria Felsite(Ernst and Hall, l9?4). Becauseof the relocationof...the total thickness of the rock column above the Cambria Felsite probably was on the order of 1000m (Ernst |  | | Journal (article/letter/editorial) | | California 90024 Geology and Petrology of the Cambria Felsite, a New Oligocene Formation, West-Central California...the O b i s p o F o r m a t i o n ; a n d (2) a new unit, n a m e d here the C a m b r i a Felsite. T...Oligocene to H o l o c e n e age c r o p o u t in the Cambria—Black M o u n t a i n area of western San Luis...(Hsu, 1969). T h e oldest Tertiary rocks in the Cambria—San Luis O b i s p o area are the newly recognized...Simeon Point V r t ^ v %.SL071 A R V X , Cambria o Fig. 2 3 5o 30" • 1 D-54 A.Brn H-1,2,3,4-72 |  | | Report (issue) | | CALIFORNIAN OCCURRENCES ON GEOLOGY, MINERALOGY, AND MINE EQUIPMENTS ^ PUBLICATIONS OF CALIFORNIA STATE MINING...from the New Idria mine Hot salino-sulphur water flowing from tunnel of Elgin mine Furnace at New Mercy...Mercy (Pacific) mine Drawing off burned ore, New Mercy mine Cuddeback cinnabar mine near Tehachapi Micro-photograph...porphyritic rhyolite carrying cinnabar, from Cuddeback mine Ten-ton Scott fine-ore furnace and condensers of...Big Injun mine Fifty-ton Scott furnace at the Helen mine Panoramic view of the Sulphur Bank mine Page |  | | Report (volume) | | County, January I960-..--------------11. Mine workings at Cambria, 1908.------------------------- N2 28...composite coal sample from the Antelope 4 mine, Cambria district, Weston County, Wyo___.------_-. N6 52...coal was once mined from the Lakota Formation at Cambria in the northcentral part of the area. Other mineral...information on coal deposits in the vicinity of Cambria. Parts of the Newcastle iarea were included on...Plum Creeks, Little Oil Creek and its tributary Cambria Creek, Salt Creek, and Stockade Beaver Creek. Total |  | | Report (volume) | | Birmingham district, by E. F. Burchard. 130 The brown iron ores of the Russellville district, by E. F................................................... New Mexico: The Gila River alum deposits, by C. W. Hayes...Alabama: Limestone and dolomite in the Birmingham district, by Charles Butts.. Sand-lime brickmaking near................................. New Mexico: Gypsum in northwestern New Mexico, by M. K. Shaler..........Clays of the Birmingham district, by Charles Butts.................. Colorado-New Mexico: Clay deposits |  | | Report (issue) | | .............................................28 New River Formation....................................Semi-Anthracite Assessment Unit: Virginia Semi-Anthracite District.................................................Petroleum System in the northern Appalachian basin coal region, showing the location of the East Dunkard (Folded)...Permian units in the northern Appalachian basin coal region..............................................8...coal beds in the northern Appalachian basin coal region and the vitrinite reflectance isoline of 0.8 percent |  | | Report (issue) | | Introduction: Stratigraphy: Pocahontas Formation New River Formation Kanawha Formation 2 Lee Formation...generation of thermogenic CBM in the anthracite district of Pennsylvania and in the semianthracite 5 deposits...Pocahontas basin, initially as an effort to improve mine safety conditions in deeply buried coal beds. At...(coal mine methane) commonly contains relatively large amounts of gaseous impurities from mine atmospheres...Freeport and Kittanning coal beds in Indiana and Cambria Counties, Pennsylvania (fig. 3) 8 (Puglio and |
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