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1 edition of Feldspar and quartz phenocrysts in the Shingle Creek porphyry, British Columbia found in the catalog.

Feldspar and quartz phenocrysts in the Shingle Creek porphyry, British Columbia

Feldspar and quartz phenocrysts in the Shingle Creek porphyry, British Columbia

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Published by Dept. of Mines and Technical Surveys in Ottawa .
Written in English

    Subjects:
  • Prophyry - British Columbia

  • Edition Notes

    11

    The Physical Object
    Pagination71 p.
    Number of Pages71
    ID Numbers
    Open LibraryOL22033534M

    Magma Differentiation. 1. Figs After partial melt is formed, the liquid starts migrating through the surrounding rocks towards the surface via pore spaces, boundaries between crystals, and possibly fracture melts eventually pool in large cavities to form magma chambers.. 2. The magma body slowly begins to cool until eventually the first minerals begin to form.   only olivine phenocrysts; pyroxene and amphibole phenocrysts, along with plagioclase with a composition that is about half-way between the Ca-rich and the Na-rich end-members. Exercise Mineral proportions in igneous rocks. Roughly 25% K-feldspar, 30% quartz, 35% albitic plagioclase and 10 biotite/amphibole,Author: Steven Earle. Geologic unit mapped in New Hampshire: Granite containing phenocrysts of smoky quartz and microperthite; alkalic amphibole, hornblende, and hedenbergite or fayalite may be present. "Mount Lafayette" type granite porphyry of Billings (). Define porphyry. porphyry synonyms, porphyry pronunciation, porphyry translation, English dictionary definition of porphyry. as phenocrysts, in a finer-grained groundmass. [–; the face of the country is everywhere composed of shingle: the pebbles are chiefly of porphyry, and probably owe their origin to the rocks of the.

    CQFP stands for Crowded Quartz Feldspar Porphyry. CQFP is defined as Crowded Quartz Feldspar Porphyry very rarely. CQFP stands for Crowded Quartz Feldspar Porphyry. Printer friendly. Menu Search " Abbreviation to define. Find. Examples: NFL, NASA, PSP, HIPAA. Tweet. What does CQFP stand for? CQFP stands for Crowded Quartz.


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Feldspar and quartz phenocrysts in the Shingle Creek porphyry, British Columbia Download PDF EPUB FB2

Feldspar and Quartz Phenocrysts in the Shingle Creek Porphyry, British Columbia (Bulletin ) Paperback – January 1, by H.H.

Bostock (Author)Author: H.H. Bostock. Feldspar and quartz phenocrysts in the Feldspar and quartz phenocrysts in the Shingle Creek porphyry Creek porphyry, British Columbia.

[H H Bostock] Home. WorldCat Home About WorldCat Help. Search. Search for Library Items Search for Lists Search for # Petrology--British Columbia--Shingle Creek Valley\/span> \u00A0\u00A0\u00A0 schema. Title: Petrology of the Shingle Creek porphyry: Creator: Bostock, Hewitt Hamilton: Publisher: University of British Columbia: Date Issued: Description: A brief description of the geology of the Shingle Creek area southwest of Penticton B.C.

together with a more detailed report on the mineralogy and petrology of the Shingle Creek Intrusion (granite porphyry) are : Hewitt Hamilton Bostock. Late-stage porphyritic andesite, dacite, and quartz diorite dikes (Feldspar Porphyry of Clode et al., ) intrude all other rock types in the study area, with the exception of the tonalite porphyry intrusions at Batu Hijau.

These dikes are thought to be the same age as, if not younger than, the Batu Hijau tonalite porphyry complex, because.

Three conformable units of fine-grained quartz­ feldspar porphyry were mapped in the Berry River For­ mation, Warclub Group, Northwestern Ontario. The largest unit (Unit 1) is compared geochemically and petrographically to quartz-feldspar porphyry intru­ sions and tuffs in the area with the aim of deter­Author: Ian S.

Cooper. The Shingle Creek porphyry is located kilometres west of Penticton, British Columbia on the Penticton Indian Reserve, adjacent to Shingle Creek. The porphyry consists of an irregularly-shaped lenticular stock (2 by 7 kilometres) concaved to the south with several large offshoot dikes at.

Large pink sanidine phenocrysts (up to centimetres long), variable coloured albite, clear to smoky quartz and chlorite altered biotite occur in a pale greenish-grey groundmass. The porphyry shows a strong similarlity to the Eocene other Coryell intrusions such as the Shingle Creek porphyry and the recently described Beaverdell porphyry.

K-feldspar megacrysts in granitoid plutons have been interpreted as either phenocrysts or porphyroblasts. Most of the microstructural, mineralogical and chemical evidence (e.g., shape, alignment, concentration, Ba content, zoning, inclusions, and twinning) favours a phenocryst by: Phenocrysts of clear glassy rounded quartz and white orthoclase feldspar are set in a fine-grained matrix.

Sample is just over 10 cm long Sample is just over 10 cm long Quartz-porphyry, in layman's terms, is a type of volcanic (igneous) rock containing large porphyritic crystals of quartz. Preliminary Map 11 is a scale preliminary geological map of the Buck Creek area in British Columbia.

View Preliminary Map 11 (PDF, MB) chalky white plagioclase phenocrysts, and a seriate texture. The ragged feldspar and rare quartz phenocrysts ( to millimetres) lie in a finer ( to millimetre) quartz monzonite. Title: Feldspar and quartz phenocrysts in the Shingle Creek Porphyry, British Columbia: Download: Downloads: Author: Bostock, H H: Source: Geological Survey of Canada.

The Mount Polley deposit in north-central British Columbia is a Cu-Au porphyry system related to alkaline magmatism. The deposit is composed of numerous discrete zones of Cu-Au mineralization related to bodies of hydrothermal breccia, including the Northeast zone which hosted a pre-mining proven and probable reserve of approximately 11 Mt of ore averaging % Cu and g/t Au.

The Cited by: 4. Alaska alteration zones andesite argillic assemblage associated Babine batholith Bell biotite bornite breccia British Columbia British Columbia Ministry calc-alkaline Canadian Cordillera chalcopyrite chlorite copper grades copper mineralization copper-molybdenum core Creek diamond drilling dikes drill holes east emplaced exploration Fault.

AR MEGACRYSTS FROM A PORPHYRITIC QUARTZ MONZONITE CENTRAL SIERRA NEVADA, CALIFORNIA D. Konnrcr, Geology Department, Unitersity oJ Manchester, M anchester, England.l Atsrnecr Microcline megacrysts in samples of quartz monzonite from the Cathedral Peak pluton have higher Ba contents and lower obliquities than groundmass microciines.

Telescoped porphyry Cu-Mo-Au mineralisation, advanced argillic alteration and quartz-sulphide-gold-anhydrite veins in the Thames District, New Zealand October Mineralium Deposita 36(7) The Schaft Creek Porphyry Cu-Mo-(Au) Deposit, Northwestern British Columbia Article in Exploration and Mining Geology 17() July with 93 Reads How we measure 'reads'.

Red Chris is a Late Triassic porphyry Cu-Au-(Mo) deposit in the Stikinia island-arc terrane in northern B.C. Late Triassic sedimentary and volcanic rocks of the Stuhini Group host a series of Late Triassic to Early Jurassic (– Ma) diorite to quartz monzonite stocks and by: 6.

Abstract. K-feldspar crystals >5 cm in greatest dimension are common in calc-alkaline granites and granodiorites worldwide. Such megacrysts are generally interpreted as having grown to large sizes early in a magma’s crystallization history while they were largely molten, owing to field relations such as megacryst alignment and megacryst-rich clusters and to crystallographic features such as Cited by: Feldspar-phyric porphyry.

Essential minerals - these are minerals that are required within the classification of this rock. Journal of Geochemical Exploration, 7 () 59 Elsevier Scientific Publishing Company, Amsterdam -- Printed in The Netherlands MAJOR ELEMENT HALOS IN GRANITIC WALL ROCKS OF PORPHYRY COPPER DEPOSITS, GUICHON CREEK BATHOLITH, BRITISH COLUMBIA M.A.

OLADE Geology Department, University of Ibadan, Ibadan (Nigeria) (Received March 3, ; revised version Cited by: 6. 1, 2 and 3 of quartz and K-feldspar from the quartz-feldspar veins are studied.

The host rocks in sample 1 and 2 are grano-diorites from Vezhen pluton, and for sample 3 the host rock is from the schists. Sample 1. Contains an early vein (I) with quartz (Q1) and a later quartz-feldspar File Size: 90KB. Extremely Re-rich molybdenite occurs with pyrite in sodic–calcic, sodic–sericitic and sericitic-altered porphyritic stocks of granodioritic–tonalitic and granitic composition in the Sapes–Kirki–Esymi, Melitena and Maronia areas, northeastern Greece.

Molybdenite in the Pagoni Rachi and Sapes deposits is spatially associated with rheniite, as well as with intermediate (Mo,Re)S2 and (Re Cited by: feldspar fragments mineral sandstones chert origin cementation pore commonly formation geology inclusions sedimentary rocks replacement quartz grains clays clay minerals diagenesis dolomite overgrowths upper cretaceous sediment aapg bull feldspars Shingle Creek, Penticton, Osoyoos Mining Division, British Columbia, Canada: A quartz and feldspar porphyry stock.

The Shingle Creek deposit is Km west of Penticton north of Yellow Lake on the Penticton Indian Reserve. The Minfile reference below describes it as. Porphyry is a volcanic rock composed of large, conspicuous crystals (phenocrysts) and a fine grained to glassy groundmass.

Since the term “porphyry” refers only to the texture of the rock and not to its composition, the expression “porphyritic rock” is often used.

The magmatic rocks are well developed and include Archean basicultrabasic rocks and granitoids, Proterozoic moyite, and Yanshanian quartz Yanshanian intermediate-acid intrusive rocks are closely associated with the mineralization, in which a large number of copper-molybdenum deposits had been produced (i.e., Changfagou, Tianhexing, and Ermi).

They are up to m in thickness and are characterised by a higher proportion of matrix (over 80%) in comparison with the granodiorite and quartz-diorite porphyry dykes. The tan matrix is mainly K-feldspar and quartz, with up to 20% phenocrysts of quartz, plagioclase, K-feldspar and biotite.

Flowerstone (Flower Feldspar) - $/pound Locality: Vancouver Island, British Columbia, Canada. This unusual material is known by rockhounds by the names Flowerstone and Flower Feldspar, which are quite descriptive of the material. This Feldspar Phenocryst in Basalt material might be referred to as Basalt Porphyry by geologists.

Full text of "Preliminary Report on a Portion of the Main Coast of British Columbia and See other formats Google This is a digital copy of a book that was preserved for generations on library shelves before it was carefully scanned by Google as part of a project.

and east parts of the basin Creek where it on-laps rhomb porphyry lava and, the compositionalIy related, Coryell syenite intrusion.

It consists of massive, light gray and beige coloured lava flows and less resistant tuff, having a combined thickess of to m.

The lava is characterized by rectangular feldspar phenocrysts (%). Chapter 4: Igneous Rocks Igneous rocks that contain substantial dark silicate minerals and calcium-rich plagioclase feldspar (but no quartz) are said to have a basaltic, or mafic, composition. What mineral is most likely to compose the phenocrysts in a granite porphyry.

potassium feldspar: olivine: quartz: pyroxene. Granite (/ ˈ ɡ r æ n ɪ t /) is a common type of felsic intrusive igneous rock that is granular and phaneritic in texture.

Granites can be predominantly white, pink, or gray in color, depending on their word "granite" comes from the Latin granum, a grain, in reference to the coarse-grained structure of such a completely crystalline rock. Strictly speaking, granite is an.

Fine secondary apatite needles associated with K-feldspar, magnetite and biotite. Galore Creek, porphyry Cu-Au deposit, northwestern British Columbia.

FOV = mm. TS (PPL). Cluster of secondary apatite and fine biotite. The apatite occurs in a zone of K-feldspar adjacent to an anhydrite vein. Galore Creek, northwestern British Columbia. A fine-grained, felsic, igneous rock made up mostly of feldspar and quartz.

andesite. a fine-grained, extrusive igneous rock. It is intermediate becuase it contains some minerals that are common to rhyolite, and some common to basalt.

larger minerals called phenocrysts. granite. The group of igneous rocks composed primarily of feldspar. common extrusive rock, gray and porphyritic with phenocrysts of white plagioclase and hornblende or biotite.

Rhyolite. fine grained extrusive rock commonly light gray or pink red or black, have glassy quartz pheocrysts and feldspar pheocrysts, light color suggests rholite. Quartz Feldspar Porphyry Granite Quartz feldspar porphyry granite occurs as a poorly defined core phase ( m x m) of the biotite porphyry granite stock.

mineralization and strongest most extensive alteration. excellent in McConnell Creek but poor elsewhere. The Mt Milligan alkalic porphyry copper-gold deposit is located approximately 70 km north of Fort St James in central British Columbia, Canada, in the central part of the Quesnel belt.

(#Location: 55° 07' 26" N ° 01' 39" W). Published resource and reserve figures include: Mt @ g/t Au, % Cu, (Geological resource, MBX and Southern Star zones. The Aitik porphyry Cu-Au-Ag-(Mo) deposit is located 60 km north of the Arctic Circle at latitude 67°04'N and longitude 20°57'E in the Gällivare area in northern Sweden ().The mineralization extends for ~5 km with a maximum width of m, and is known to extend to a maximum depth of m in the deepest investigated parts ().The Aitik mine is by size the largest open-pit metal mine in Cited by: 1.

Quartz-feldspar porphyry. Geological specimen collected during Scott's British Antarctic Expedition (also known as the Terra Nova expedition). imental ternary-feldspar data than those generated by the adopted parameters. Evaluation of An-Or mixing parameters Seck (l97la, l97lb) presented compositional data for 72 ternary-feldspar pairs from synthesis experiments at 'C and l, 5, and l0 kbar, and 'C at I kbar, and "C and bars pressure.

The standard-state. We've got 1 shorthand for Quartz Feldspar Porphyry» What is the abbreviation for Quartz Feldspar Porphyry? Looking for the shorthand of Quartz Feldspar Porphyry?This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: Quartz Feldspar Porphyry.Quartz porphyry can be just a medium-grained intermediate between rhyolite and granite, hardly different from granite porphyry, but it is sometimes defined as an extrusive rock, in which large chunks of granite, perhaps in the form of quartz or feldspar crystals, have been erupted with a hot suspension of similar material, which has welded and.LITTLE CHIEF GRANITE PORPHYRY: FELDSPAR CRYSTALLIZATION HISTORY Paperback – January 1, by S Douglas McDowell (Author) See all formats and editions Hide other formats and editions.

Price New from Used from Author: S Douglas McDowell.