 | | Journal (article/letter/editorial) | | The Prospect Alkaline Diabase-Picrite Intrusion New South Wales, Australia by H. G. WILSHIRE 1 Australian...Australian National University, Canberra, Australia WITH FOUR PLATES 1 Present address: U.S. Geological... 2015 ABSTRACT The Prospect intrusion is a dish-shaped alkaline diabase-picrite mass 315-400 ft thick...intruded into shale at a depth of about 600 ft. Picrite, containing more than 25 per cent olivine, occupies...afine-grainedchilled margin. Vertical sections through the picrite zone show a regular antipathetic variation of modal |  | | Journal (article/letter/editorial) | | Victoria GPO Box 666 Melbourne, Victoria 3001, Australia dhenry@museum.vic.gov.au D efining “classic”...synonymous with Australia (see Pecover in press) and that Broken Hill in western New South Wales is our No...diversity of species (see Birch in press). New South Wales can claim ownership of several other occurrences...Elura lead-zinc-silver deposit in western New South Wales has produced superb groups of green mimetite...(Chapman and Scott 2005). The New England region of northeastern New South Wales is famous for molybdenite |  | | Journal (article/letter/editorial) | | important enough that he decided to substitute the new term "Keratophyr-Eisenerze" for the term "Diabas-Eisenerze"...t geratophyres Borderfacies ~ [ ' ~ Limestone south Lower Middle Devonian (Coblenzian), mainly quartzite...heterogeneity, and are hence called Border Facies South ("Oberdevon der stidlichen RandfaNes") and Border...maximum area of exposed keratophyres is located South of Limburg; smaller outcrops occur around Weilburg...Weilburg). The melanocratic type is found near Diez and South of Weilburg (Gr~iveneck-F/irfur@ Spilitization -- |  | | Journal (article/letter/editorial) | | DepartmentoJ Geologyand Geophysi,cs, W ales, Australia. N ew Soulh ABSTRAcT Pumpellyite occurs as radiating...in altered syenite from the Prospect Intrusion near Sydney, New South Wales, with a variety of other minerals...differentiated Prospect teschenite-picrite intrusion, west of Sydney, New South Wales, pumpellyite is...golden-brown colored varieties were observed. At Prospect there appears to be no systematic relationship...index of about 1.710. This is confirmed by the Prospect material. The negative pumpellyite would be expected |  | | Journal (article/letter/editorial) | | hydrated alkali olivinebasalt parentage at Rhiw, North Wales P. J. Cattermole Three outcrops of hornblende-bearing...At a lower level, at the junction of hornblende-picrite (C7) with hornblendeleucogabbro (D), there is a...horizon immediately beneath the contact is which picrite has been completely recrystailised to aggregates...leucogabbro, which is chemically dissimilar to picrite, and is believed to have crystallised from a separate...The possibility of their having been an influx of new magma was recognised by Hawkins (1970 p. 16) from |  | | Journal (article/letter/editorial) | | differentiated teschenite sill near Gunnedah, New South Wales, a study of the literature revealed considerable...uncommon in the Tertiary igneous activity in Eastern Australia (Jensen, 1909; Jevons et al, 1911, 1912; Benson...teschenites, Black Jack intrusion, Gunnedah, New South Wales. Analysis VII: Average of six crinanites. (Walker...true emphasis to the frequent field association picrite-teschenite and focusses attention on an important...Teschenite and Crinanite 287 problem. The original picrite of Tschermak (1869) was an olivine-rich facies |  | | Journal (article/letter/editorial) | | only slightly cooler than the new magma, the cooling of the margins of the new magma might be delayed sufficiently...profiles for both the inner crinanite and outer picrite sills result primarily from differential distributions...upper crinanite layer and the second to the lower picrite layer. The olivine variation within the lower layer...pre-intrusive distribution of phenocrysts in the picrite magma which was only slightly modified by post-emplacement...(Flett 1931). Generalised olivine profiles for the Prospect intrusion (e.g. Fig. 3e) are rather complex and |  | | Journal (issue) | | France Bill Birch Museum of Victoria Melbourne, Australia Richard C. Erd U.S. Geological Survey Menlo Park...Alves Mineralogy of the Bennett pegmatite, Oxford County, Maine ..........................................Holden, Jr. Minerals of the Prospect Intrusion, New South Wales, Australia .............................Copper roses from the Rose mine, near San Lorenzo, New Mexico ............................................of molybdofornacite from Whim Creek, Western Australia ............................................ 203 |  | | Journal (article/letter/editorial) | | mineral assemblage evolves by progressive addition of new minerals, occasionally with the replacement of an...that composition from the primary liquid yields a new liquid, which may be recycled to yield a sequence...trace progressive saturation in new minerals, substitution of a new mineral for an old mineral, and cessation...subtracting varying percentages of the minerals from the new liquid until a liquid composition is reached for...the other being the new liquid composition. Because the original liquid and the new liquid are close spatially |  | | Journal (article/letter/editorial) | | flank of Mynydd Rhiw, near the village of Rhiw, south-west Lleyn (Fig. 1). These intrusive rocks are emplaced...intrusive masses and the generalised geology of North Wales. 2. General description of the intrusions The thickest... C8 10 Massive hornblende .picrite CS M Banded hornblende picrite C6 30 -lm hornblende gabbro...hornblende picrite C5 a Mass* P , / hornblende picrite C4 5 Baded hornblade picrite C3 5 Massive...hornblende and opaque iron ore. (iii) Hornblende-picrite, Zone C. MASSIVEHORNBLENDE-PICRITES, C1, C3, C5 |  | | Journal (article/letter/editorial) | | Volcanic Rocks from the East Otago Volcanic Province (New Zealand) and Related Rocks by D. s. COOMBS and j...Otago, New Zealand, and Department of Geology, University of New England, Armidale, New South Wales (Received...Tertiary sediments which form the coastline north and south of Brinns Point. Vitrophyric trachyandesite, North...km north of Dunedin, 96 km north-west, and 75 km south-west. Rocks belonging to this peripheral subprovince...is referred to the Oamaru and Dunedin 1:250 000 New Zealand Geological Survey sheets (Mutch, 1963; McKellar |  | | Journal (article/letter/editorial) | | 21 5 EXCURSION TO THE ST. DAVIDS DISTRICT, SOUTH WALES. APRIL 13TH TO 22ND. Directors: J. EASTER...four days was delightful, but on Tuesday a strong south-westerly gale sprang up and the projected visit...J. F. N. GREEN.) The party first examined, in a quarry near the Church Schools, fine-grained spherulitic... 216 EXCURSION TO THE ST. DAVIDS DISTRICT, SOUTH WALES. dykes, both intrusive in porcellanite and tuffs...paJ;c 216. EXCURSION TO THI£ ST. DAVIDS DISTRICT, SOUTH WALI£S. 217 belong to the top of the Solva (Lower |  | | Book (volume) | | Location Guide for Rock Hounds in the United States SOUTH DAKOTA This northwestern Great Plains state varies...as the continental seas were advancing from the south, the Dakota sandstone represents topset beds, wave...to the fascination of these pegmatites. 437 South Dakota The commercial production of minerals, principally...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides |  | | Journal (article/letter/editorial) | | part of the island of Seiland, situated to the south-wut of the town of Hammerfest. It is poorly exposed...simple intrusions that can be described as either picrite, hornblende-olivine gabbro, hornblende gabbro,...invariably parallel or sub- lherzolite, cortlandite, or picrite. In terms of parallel to the largest sides of the...dyke-rocks: 1752, 1749 - picrites, Krvemmervik; 1748 - picrite, Oldervik; 649 bojite, Store Bekkarfjord. Hawaiian...northern Norway. Unpub. Ph.D. thesis, Univ. Swansea, Wales. Bezzi, A. & Piccardo, G. B. 1971: Cumulus and skeletal |  | | Report (issue) | | MINERALIZATION IN WESTERN AUSTRALIA An oblique aerial view, from the south-southwest, ofthe Kambaldanickel...extent ofthe Lunnon and Hunt shoots which plunge south-southeast under the lake. In the middleground the...Surveyor General, Western Australia. GEOLOGICAL SURVEY OF WESTERN AUSTRALIA MINERAL RESOURCES BULLETIN...BULLETIN 14 NICKEL MINERALIZATION IN WESTERN AUSTRALIA by R. J. MARSTON PERTH, 1984 Issued under the...L.C., Minister for Mines National Library of Australia Cataloguing-in-publication entry: Marston, R.J |  | Courtney-Davies, Liam, Ciobanu, Cristiana.L., Verdugo-Ihl, Max R., Dmitrijeva, Marija, Cook, Nigel J., Ehrig, Kathy, Wade, Benjamin P. (2019) Hematite geochemistry and geochronology resolve genetic and temporal links among iron-oxide copper gold systems, Olympic Dam district, South Australia. Precambrian Research, 335. 105480 doi:10.1016/j.precamres.2019.105480 | Journal (article/letter/editorial) | | copper gold systems, Olympic Dam district, South Australia Liam Courtney-Davies, Cristiana.L. Ciobanu...copper gold systems, Olympic Dam district, South Australia, Precambrian Research (2019), doi: https://...copper gold systems, Olympic Dam district, South Australia Liam Courtney-Davies1*, Cristiana. L. Ciobanu1...Adelaide, SA 5005, Australia 2 3 BHP Olympic Dam, Adelaide, SA 5000, Australia Adelaide Microscopy...Microscopy, The University of Adelaide, SA 5005, Australia *corresponding author Abstract: The Wirrda Well and |  | Huang, Qiuyue, Kamenetsky, Vadim S., Ehrig, Kathy, McPhie, Jocelyn, Kamenetsky, Maya, Cross, Ken, Meffre, Sebastien, Agangi, Andrea, Chambefort, Isabelle, Direen, Nicholas G., Maas, Roland, Apukhtina, Olga (2016) Olivine-phyric basalt in the Mesoproterozoic Gawler silicic large igneous province, South Australia: Examples at the Olympic Dam Iron Oxide Cu–U–Au–Ag deposit and other localities. Precambrian Research, 281. 185-199 doi:10.1016/j.precamres.2016.05.019 | Journal (article/letter/editorial) | | Mesoproterozoic Gawler silicic large igneous province, South Australia: examples at the Olympic Dam Iron Oxide Cu-U-Au-Ag...Mesoproterozoic Gawler silicic large igneous province, South Australia: examples at the Olympic Dam Iron Oxide Cu-U-Au-Ag...Gawler silicic large igneous 2 province, South Australia: examples at the Olympic Dam Iron Oxide Cu-...8 Tasmania, Australia 7001 9 2 BHP Billiton Olympic Dam, Adelaide, SA 5000, Australia 10 3 Terramin...Terramin Australia Ltd, Level 3, 70 Hindmarsh Square, Adelaide, South Australia, 11 5000 12 4 13 WA |  | | Catalog/List | | your labels or send back for an exchange. f _ New Minerals in this list; • • •• • Olivine,Cetineite...CeYFeSiO Quite attractive blue-grey botryoidal on New East Wheal Russell , ALLOPHANE £4 FLUORESCENT ½ x...ALUMOHYDROCALCITE A rare British mineral. Rich white veins South Bay, Scarborough ½x½£3 Ca Al CO/3 and masses in...SO/4 OH magnification there arc small crystals County, Arizona -------------"'--------'-'--'----'--____;;...- - - AMAZONITE Pure green cleavage Landsverlc quarry, Evje, Norway lxl S0p ALAMOSITE fcLp 10 g: |  | | Catalog/List | | ones should be available. ----- Give me a ring ! New Minerals in this list Armenite,Axinitefrom Cornwall...\IOSITE Rich white cruslS on matrix. £5 PbSiO/3 County. Arizona. U.S.A 2x2 1x2 sop Kragero Norway Rich...£6 IX½ grey bleby small botryoidal with possible New East Wheat Russell mine, ½x½ 501 ALLOPHANE £4 -·-·...ALUMOHYDROCALCITE A rare British mineral. Rich white veins South Bay, Scarborough ½x ½ £3 Ix½ Ix! £10 C.!_~_15_013....maenification there are small crystals · - · .County. A:fiZC>i:i--=a=--- 60 AMAZONITE Attractive green |  | | Journal (article/letter/editorial) | | Subduction Diamonds, Bingara Area, New England Fold Belt, Eastern Australia* B. JANE BARRON,† Consulting Petrologist...St. Ives, New South Wales 2075, Australia L. M. BARRON, Geological Survey, New South Wales Department...Box 344, Hunter Region Mail Centre, New South Wales 2310, Australia AND G. DUNCAN Rimfire Pacific Mining...3000, Australia Abstract At Bingara-Copeton in the Phanerozoic New England fold belt, New South Wales...Wales, Australia, about two million diamonds were mined from Tertiary alluvial deposits that are more than |  | | Report (volume) | | the current-year issues of the monthly catalog "New Publications of the U.S. Geological Survey." Prices...SALT LAKE CITY, Utah--Federal Bldg., Rm. 8105, 125 South State St. SAN FRANCISCO, California--Customhouse...Missouri--1400 Independence Rd. FAIRBANKS, Alaska--New Federal Building, Twelfth Ave. 101 • Developments...bulletin continues that effort with the addition of new or revised models. Before these models are introduced...in resource assessments, and still others present new deposit models. The following overview is presented |  | | Book (volume) | | excavations in the underlying black, Upper Devonian (New Albany) shales occasionally produces pieces of silicified...the western counties, especially the Clay Center Quarry 12 miles southeast of Toledo but in Ottawa Co....ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE |  | | Book (volume) | | excavations in the underlying black, Upper Devonian (New Albany) shales occasionally produces pieces of silicified...the western counties, especially the Clay Center Quarry 12 miles southeast of Toledo but in Ottawa Co....ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE |  | | Report (issue) | | Fig 8 South West England: distribution of quarries in igneous and metamorphic rocks Fig 9 Wales: Igneous...outcrop mainly in Scotland, Northern Ireland, Wales and the South West and Northern Regions of England. Other...Syenite Basic Ultrabasic Gabbro Peridotite Picrite Pyroxenite Anorthosite Coarse grained Granite...minerals continue to recrystallize in such a way that new crystal orientation is related to the original stress... gabbro, hornblende-rock, norite, peridotite, picrite, serpentine Porphyry aplite, dacite, felsite |  | | Book (edition) | | roadstones by K. C. DUNHAM, D.Sc., S.D. (England and Wales) and A. G. MacGREGOR, M.C., D.Sc. (Scotland) LONDON:...GEOLOGICAL DISTRIBUTION OF R OADSTONES England and Wales (Fig. 1) 2 Scotland (Fig. 2) .. 4 PART I....gneiss Gabbro Hornblende-rock Norite Peridotite Picrite Serpentine GRANITE GROUP Gneiss Granite Granodiorite...ENGLAND AND WALES (Fig. 1) Roadstones quarried from the solid rock in England and Wales are obtained...value for this purpose. For this reason, south-eastern England, south-east of a line joining Lyme Regis and |
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