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Plagioclase from
Collins Bay, Muriwai, Auckland Region, New Zealand


Locality type:Bay
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Manganese Oxides1 photo of Plagioclase associated with Manganese Oxides at this locality.
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Collins Bay, Muriwai, Auckland Region, New Zealand
Data Identifiers
Mindat Occurrence Record ID:1593984
Long-form Identifier:1:3:1593984:9
GUID (UUID V4):184d9a69-4b1f-4907-8e17-fa59b9a93259
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
basement-hosted deposit have increased with the discovery of new mineralized zones within secondary structures. A...of major fault zones and kaolinitization of plagioclase and Kfeldspar caused by surface weathering. The...unconformity-related uranium deposits at Rabbit Lake (1968), Collins Bay (1971), Key Lake (1975), and Eagle Point (1980)...comprise the Collins Bay assemblage and the Collins Bay Dome (Lemaitre 2006). The Collins Bay dome consists...overlain by the Collins Bay assemblage (Thomas 2003; Lemaitre 2006). The Collins Bay assemblage is the
Report (issue)
basement in comparison with the Athabasca Basin region .................................................publish these contributions. North America, the region dealt with in this meeting, is of eminent significance...exploration expenditures were expended in this region, while this percentage dropped to 33% in 1986....U-exploration with its long lead times to discover new resources and convert them to mineable reserves?...supports this view. In summary, North America is a region of outmost importance for the uranium supply of
Book
hydrothermal alteration convert the glass to aggregates of new mineral phases such as clays, zeolites, sericite...followed by precipitation from solution of finegrained new minerals. In many cases, silicic glass in ancient...In mafic rocks, spherulite fibres consist of plagioclase and/or pyroxene. Spherulites are not spherical...rapidly devitrified, crystallized and/or altered. The new minerals may faithfully preserve the vesicular texture...electrostatic forces, particle interlocking and growth of new minerals as the condensed moisture evaporates (Reimer
Report (issue)
NETHERLANDS NEW ZEALAND NICARAGUA NIGER NIGERIA NORWAY OMAN PAKISTAN PALAU PANAMA PAPUA NEW GUINEA PARAGUAY...of the IAEA held at United Nations Headquarters, New York; it entered into force on 29 July 1957. The........................................ 28 2.2.2. New empirical classification and end members ..........of the basic empirical parameters defining this new and increasingly important type of uranium deposit...through the 1980s including: Collins Bay B-zone (1977), West Bear (1977), Maurice Bay (1977), Midwest Lake (1978)
Book
projects. This massive effort has evoked new discoveries, new concepts, more comprehensive syntheses,...Deposits, Okanagan Region, South Central British Columbia . Quaternary Stratigraphy of the Region Between Calgary...generally paralleling the structural trend of the region to Wilkin¬ son Summit, where the road then turns...Note old mine workings, small cok¬ ing plant, and new office complex of B.C. Coal Limited. Excur¬ sion...the location area of Crowsnest Resources Limited’s new mine. Route proceeds east of Elkford across Elk River
Report (issue)
Craw University of Otago P.O. Box 56 Dunedin, New Zealand Introduction R.W. Macqueen .................the subsurface of southern Alberta? Evidence from new aeromagnetic anomaly data G.M. Ross, J. Mariano,...microdisseminated Au-Ag-Cu minerals, Fort Mackay region, northeastern Alberta H.J. Abercrombie and R. Feng...and geochemistry of lake sediments/waters. Many new data from these studies are available digitally....beneath sediments of the WCSB. Over the past decade a new tectonic framework of basement domains has been established
Journal (article/letter/editorial)
is still under discussion. In the present work, new Sm±Nd and Rb±Sr data for scheelite from the giant...available on the magmatic events in the Muruntau region. Probably, there is some overlap in time of the...than any magmatic or metamorphic activity in the region. Kent et al. (1995) obtained a Sm±Nd errorchron...mineralization and komatiites present in the same region. Komatiites were discussed as a source of Nd and...than for komatiites or for any other rock in the region. Darbyshire et al. (1996) reported three Sm±Nd
Journal (article/letter/editorial)
Saskatchewan 58o Dawn L. Eagle Point Midwest L. Collins Bay McClean L. Rabbit L. o Raven Cigar L. Horseshoe...reactivated shear zones: BB = Black Bay, BLSZ = Black Lake shear aone, CB = Cable Bay, GR = Grease River, H = Harrison...al. 2007). Basement rocks of the south-central region of the Athabasca Basin have had a protracted deformational...2008). In the Virgin River domain west of the Cable Bay shear zone, the deformational history is similar...Virgin Schist Group pelites and hornblende and plagioclase in mafic rocks (Card et al., 2007). The sedimentary
Report (issue)
showing deposit locations [1] and a discussion of the new deposit classification were published in the 1996...database approach. Assembling UDEPO data into a new structure began in 2003. A website, which was developed...overlying cover sandstones (Cigar Lake, Key Lake, Collins Bay A, B and D zones, Midwest, McClean, Cluff Lake...Examples are the deposits of Dalmatovskoye (Transural Region), Malinovskoye (West Siberia), Khiagdinskoye (Vitim...by-product of phosphate production. Examples include New Wales Florida (pebble phosphate) and Uncle Sam (USA)
Report (issue)
oxygen and sulfur fugacities in ore fluids, Echo Bay mine...............................................favorable terrane. It is not suited for prediction of new types of deposits; research on process-oriented,...heat production. Consequently, there are abundant new data and interpretations from these fields that...percent of United States reserves, was derived from a region of lower Proterozoic rocks (King, 1976) to the...conglomerates were developed and preserved in this new environment. The recycling of uranium by a combination
Journal (article/letter/editorial)
Chinese with English abstract. Chen, G.D., 1992. New Development of the Diwa Theory. Science Press, Beijing...Taylor, R.P., 1984. Sm – Nd direct dating of the Collins Bay hydrothermal uranium deposit, Saskatchewan. Geology...vol. II/2. Springer-Verlag, Berlin, Heidelberg, New York, pp. 57 – 71. Section 39. Jiang, S.Y., Slack... Wu, L.S., Hu, X.W., 2000. Xikuangshan mica-plagioclase lamprophyre and its granite inclusions, Hunan
Report (issue)
has changed considerably due to the discovery of new types of uranium deposits and the better understanding...Mineral Deposits, 4th Ed. McGraw-Hill Book Co. Inc., New York, London (1933) 930 pp. (4) WALKER, G.W., OESTERWALD...fl generalized geological map of the Singhbl urn region. the Singhbhum Granite - is a lensoid mass composed...900 Ma, The regional structures in the Singhbhum region considered from the north to south are the Dalma...than mineralization along the shear zone) in the region are outlined in Table I. 11 TABLE I. PRINCIPAL
Book
Originally published by Springer-Verlag Berlin Heidelberg New York in 1993 Softcover reprint oftbe hardcover 1st...Eastern Block countries during 1990 and 1991 provided new and more precise information of uranium deposits...Canada), Ruzicka V. (CSFR), Saucier A.E. (Grants Region, N.M., USA), Smith RB. (South Texas, USA), Tan...Uranium Deposits (Type 1, Chap. 4): Athabasca Basin Region, Canada..........................................Deposits in Albitized Metasediments: Uranium City Region, Canada.......................................
Journal (article/letter/editorial)
Sources of metals in the Porgera gold deposit, Papua New Guinea: Evidence from alteration, isotope, and noble...located in the highlands of Papua New Guinea (PNG). The highlands region marks the site of a Tertiary age...Complex (PIC), located in the highlands of Papua New Guinea (PNG, Fig. I). As GEOLOGICAL SETTING The...Pliocene continent-islandarc collision. The highlands region is cut by the west-northwesttrending Lagaip Fault...tectonic provinces and igneous intrusions in Papua New Guinea. Modified from PAGE(1976). in the formation
Journal (article/letter/editorial)
Kianna deposit), 3) Dawn Lake, 4) Midwest, 5) Collins Bay, 6) McClean Lake and Sue, 7) Rabbit Lake, 8)...known uranium resources are located in a limited region near the eastern margin of the basin, with the...Maurice Bay B Domain Uranium eav Do erlo City ma dg in e Martin M Do udja m tik ain Ellis Bay Fm. FP...(members: MFb = Bird, l = lower, u = upper), MFc = Collins, MFd = Dunlop, MFr = Raibl, MFw = Warnes (up =...structures in both the eastern and western Athabasca region and their recognizable geophysical signature, the
Journal (article/letter/editorial)
halo and it displays a variable crystal structure. New data are provided on the crystal structure and the...environments. The aim of this paper is to provide new mineralogical and chemical data for illite encountered...Shea Creek (2), Dawn Lake (3), Midwest (4), Collins Bay (5), McClean Lake and Sue (6), Rabbit Lake (7)...the Shea Creek U deposits. Part 1 The Shea Creek region (Figure 1) is located in the western part of the...of the major U deposits of the Eastern Athabasca region. The sedimentary cover in the study area varies
Journal (article/letter/editorial)
initial basement minerals (K-feldspar, biotite, plagioclase) by an illite + sudoite (Mg-chlorite) ± dravite...from 46& to 147& (predominantly above 70&). The new data presented here compare broadly to the few published...can be attributed to either albitization of plagioclase or dolomitization reactions (Davisson and Criss...al., 2011). Assuming a d18O value of 10& for plagioclase and initial d18O value of 3& for the evaporated...positive d18O shifts (>2&) due to albitization of plagioclase by evaporated seawater is only possible at temperatures
Journal (article/letter/editorial)
lithostructural province. 1 = Rabbit Lake, 2 = Collins Bay, 3 = Eagle Point, 4 = Raven, 5 = West Bear, 6...River, 12 = Key Lake, 13 = Cluff Lake, 14 = Maurice Bay, 15 = Fond du Lac. 2002, 2005). The basin contains...lithostructural domains. In the eastern Athabasca region, the Paleoproterozoic metasedimentary rocks are...granitoid gneisses and typically consist of quartz, plagioclase, biotite, cordierite, garnet, sillimanite, and...(Marlatt et al. 1992). In the western Athabasca region, the Taltson domain, the extent of which has been
Report (issue)
the uranium industry, discovery of new deposits and development of new technologies for both exploration...exploration strategies. This can lead to the discovery of new deposits if the model is sophisticated enough to...Athabasca Basin in Canada and the Alligator River region of Australia and these deposits average 0.8% U...unconformity-related deposits occur in the Karelia region of Russia and Finland (Velichkin et al. 2005),...few deposits occur in the Paleoproterozoic Hornby Bay Basin in Canada and the Franceville Basin in Gabon
Journal (article/letter/editorial)
basin, in the vicinity of the graphite-rich Cable Bay shear zone that occurs between the Mudjatik and the...part of the Athabasca basin, close to the Cable Bay shear zone (Fig.1). The studied area is the basement-hosted...enclosing formations (Fig. 2). In the McArthur River region, an approximately 500-m-thick section of Athabasca...NaCl-rich brines with Ca-rich lithologies (e.g., plagioclase-, pyroxene-, amphibole-bearing rocks in basement...V.,1986, Uranium deposits in the Rabbit Lake-Collins Bay area, Saskatchewan, Canada: Canadian Institute
Report (issue)
_____________________ Other areas ___________________________ New exploration and production techniques _ Nuclear-fuel..._____________________ Regional geologic investigations __ New England Igneous rocks and geochemistry Tectonics...117 117 117 118 119 119 120 122 122 124 124 124 New Jersey Pennsylvania South Carolina, Georgia, and...rocks Precambrian rocks Tectonics Basin and Range region _______ _______________ Stratigraphic and structural...Igneous rocks Geochronologic studies Pacific coast region Oregon Western United States Washington California
Report (volume)
_____________________ Other areas ___________________________ New exploration and production techniques _ Nuclear-fuel..._____________________ Regional geologic investigations __ New England Igneous rocks and geochemistry Tectonics...117 117 117 118 119 119 120 122 122 124 124 124 New Jersey Pennsylvania South Carolina, Georgia, and...rocks Precambrian rocks Tectonics Basin and Range region _______ _______________ Stratigraphic and structural...Igneous rocks Geochronologic studies Pacific coast region Oregon Western United States Washington California
Book
Volume 19 No. 1—3 ELSEVIER, Amsterdam - Oxford - New York - T o k y o 1984 ELSEVIER SCIENCE PUBLISHERS...SCIENCE PUBLISHING COMPANY INC. 52, Vanderbilt Avenue New Y o r k , N.Y. 10017 Library of Congress Cataloging...overlies these older successions throughout the region, though not at Ranger One. The Number Three Orebody...UNCONFORMITY-TYPE URANIUM DEPOSITS IN PERMAFROST TERRAIN, HORNBY BAY BASIN, NORTHWEST TERRITORIES, CANADA S.J. HOFFMAN...unconformity-type uranium deposits in permafrost terrain, Hornby Bay Basin, Northwest Territories, Canada. In: G.R. Parslow
Book
With 398 Figures Springer-Verlag Berlin Heidelberg New York 1982 Prof. Dr. G. C. Amstutz Prof. Dr. G....entirely to "the state of the art", because the flow of new genetic ideas must, in many cases, be allowed to...observations. When he has found new evidence for a new, perhaps drastically new interpretation, he has, even...outside and later has produced in recent times two new genetic models. These have not, fortunately, found...Rhythmites of the Trzebionka Mine, Upper Silesian-Cracow Region, Poland L. Fontbote and G.C. Amstutz (With 2 Figures)
Book
With 398 Figures Springer-Verlag Berlin Heidelberg New York 1982 Prof. Dr. G. C. Amstutz Prof. Dr. G....entirely to "the state of the art", because the flow of new genetic ideas must, in many cases, be allowed to...observations. When he has found new evidence for a new, perhaps drastically new interpretation, he has, even...outside and later has produced in recent times two new genetic models. These have not, fortunately, found...Rhythmites of the Trzebionka Mine, Upper Silesian-Cracow Region, Poland L. Fontbote and G.C. Amstutz (With 2 Figures)
 
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