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#1Lamprophyre
Lamprophyres are a group of rocks containing phenocrysts, usually of biotite and amphibole (with bright cleavage surfaces), and pyroxene, but not of feldspar.
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#2Lamprophyres
Lamprophyres are a diverse group of polygenetic rocks united by the common trait of crystallization under volatile-rich conditions. Because of the diverse ...
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#3Lamprophyre | Properties, Composition and Formation
Lamprophyre is ultrapotassic igneous rock that is occurring as dikes, lopoliths, loccoliths, stocks and small intrussion.
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#4Lamprophyre: Mineral information, data and localities.
A group of hypabyssal igneous rocks characterised by abundant primary hydrous silicates in phenocrysts and/ or groundmass, lacking felsic phenocrysts, ...
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#5Lamprophyres
Lamprophyres (from the Greek lampros, 'glistening' + porphyros 'porphyry') are rare and poorly understood ultrapotassic hypabissal rocks that occur only as ...
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#6Lamprophyre | Igneous, Mafic & Ultramafic
lamprophyre, any of a group of dark gray to black intrusive igneous rocks that generally occur as dikes (tabular bodies inserted in fissures).
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#7The nature and origin of lamprophyres: some definitions, ...
According to them, lamprophyres are melanocratic hypabyssal igneous rocks with microporphyritic textures carrying hydrous mafic phenocrysts. Show abstract.
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#8Lamprophyre
The lamprophyres commonly consists of alkali rich calc-alkali to ultramafic minerals. In INDIA lamprophyres are mostly from the gondwana ...
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#9Lamprophyres, lamproites and related rocks as tracers to ...
Lamprophyres, lamproites and related rock types (e.g. kimberlites, orangeites and shoshonites) represent mantle-derived, volatile-rich rocks situated both in ...
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#10Lamprophyre as the Source of Zircon in the Veneto Region ...
Average modal composition is 32% clinopyroxene, 27% olivine, 11% carbonates, 7% K-feldspar, 5% orthopyroxene, 6% apatite, 4% mica, 3% oxides, 2% amphibole, 1% ...
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#11Lamprophyres
Although this situation has changed recently, with a flowering of publications and active workers, lamprophyres remain almost the only group of igneous rocks ...
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#12(PDF) The lamprophyre facies
PDF | Lamprophyres are a polygenetic group of rocks that have formed by the crystallization of common magma types, including lamproites and kimberlites,.
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#13Nature and Origin of Ultramafic Lamprophyres: Alnöites and ...
Abstract. Ultramafic lamprophyres (UML) are rare but widespread, hypabyssal rocks, rich in K, Mg, Cr, Ni, Sr, Ba, REE, and volatiles, containing less Si and ...
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#14Lamprophyre definition and meaning
Lamprophyre definition: any of a group of basic igneous rocks consisting of feldspathoids and ferromagnesian... | Meaning, pronunciation, translations and ...
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#15Geologic units containing Lamprophyre
Geologic units containing Lamprophyre. Earth material · Plutonic rock · Porphyry. Lamprophyre. A group of porphyritic igneous rocks in which mafic minerals form ...
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#16lamprophyre - 維基詞典，自由的多語言詞典
語言 · 此頁面最後編輯於2021年11月24日(星期三) 09:42。 · 除非另有註明，否則頁面內容均以CC BY-SA 4.0 條款授權。
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#17Lamprophyre Definition & Meaning
The meaning of LAMPROPHYRE is any of a series of dark rocks of basaltic habit that resemble trap, occur usually in narrow dikes, and sometimes contain ...
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#18Lamprophyre dikes as tectonic markers of late orogenic ...
[49] Lamprophyres are basalts modified by later addition of volatiles or direct melts of metasomatized mantle. Given the regional extent of the ...
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#19The Lamprophyre Problem
The Lamprophyre Problem. By H. G. SMITH, Queen Mary College. TUDD was one of the early workers to recognize that changes in the.
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#20Lamprophyre
Lamprophyre s (Greek λαμπρός (lamprós) = "bright" and φύρω (phýro) = to mix) are uncommon, small volume ultrapotassic igneous rocks primarily occurring as ...
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#21Petrogenesis of an alkaline lamprophyre (camptonite) with ...
Petrogenesis of an alkaline lamprophyre (camptonite) with ocean island basalt (OIB)-affinity at the NW margin of the Cuddapah basin, eastern ...
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#22An alkaline lamprophyre (Camptonite) from Ravipadu, ...
The lamprophyre was possibly derived from the host gabbro as a late-stage differentiate. Lamprophyres represent the latest magmatic event in the Prakasam ...
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#23Lamprophyre
Lamprophyre · 1 Petrology. 1.1 Genesis; 1.2 Petrography · 2 Distribution. 2.1 Above Rocks Lamprophyres, Jamaica; 2.2 Wandagee Lamprophyre Suite, Western Australia.
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#24Lamprophyre Definition & Meaning
Lamprophyre definition, any dark intrusive rock in which dark minerals occur both as phenocrysts and as groundmass. See more.
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#25The nature and origin of lamprophyres: an overview
Summary Lamprophyres are 'alkaline rocks' because they carry high alkalis at a given percentage of SiO2, together with one or more of normative ne, ...
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#26Lamprophyre - Mining Fundamentals
Lamprophyre is a group of ultrapotassic igneous rocks which consist of phenocrysts of mica, particularly biotite or phlogopite and amphibole ...
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#27Lamprophyre dikes of northern Idaho and northeastern ...
Lamprophyres are melanocratic to mesocratic igneous rocks, commonly exhibiting a panidiomorphic texture with mafic phenocrysts of dark mica and/ ...
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#28Lamprophyre from the Rossland gold camp, British ...
Lamprophyres are a diverse clan of hypabyssal intrusive rocks. They typically display phenocrysts of biotite or amphibole in a cryptic ...
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#29Geology and Environmental Impact Assessment of ...
Sikait lamprophyre dykes, in order to better understand the relationship between natural radioactivity and radioactive mineral content. In ...
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#30lamprophyre 中文
Intrusive features and its influence of lamprophyre on coal seams and coal quality in tongxin mine field 同忻井田煌斑巖侵入特征及對煤層和煤質的影響 ...
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#31Lamprophyre - Glossary
A lamprophyre is a dark lode magmatic rock, characterized by the abundance of ferromagnesian minerals : biotite (or phlogopite), and / or brown amphibole ...
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#32CLASSIFICATION OF LAMPROPHYRES, LAMPROITES, ...
The nomenclature and classification of lamprophyres, lamproites, kimberlites and the kalsilitic, melilitic and leucitic rocls are inaaequately detined.
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#33The antecryst compositional influence on Cretaceous ...
Lamprophyres. Glasgow, Blackie Academic & Professional, 285 p.), because they contain a large amount of mafic megacrysts. Alkaline lamprophyre dykes of ...
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#34Lamprophyre Rock | History | Origin
Lamprophyre is uncommon igneous rocks primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions. Lamprophyre is available in black, ...
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#35petrology and geochemistry of lamprophyre rock types ...
The sampled lamprophyres are composed of phenocrystic hornblende, pyroxenes and biotite with groundmass composed of sanidine, orthoclase, sodic and calcic ...
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#36Leeds 01 - Lamprophyre
Click the microscope button to view a thin section for this sample. Microscope. Fact sheet. Leeds 01 - Lamprophyre.
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#37lamprophyre翻譯及用法- 英漢詞典
the diabase and lamprophyre are typical mantle source rock while the granite pegmatite is typical crustal source rock. 其中輝綠巖和煌斑巖是典型的幔源巖，花崗偉 ...
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#38lamprophyres: Topics by Science.gov
Lamprophyres which are associated with rare metal deposits are calc-alkaline (kersantites, minettes, spessartites) or more rarely alkaline lamprophyres ( ...
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#39The nature and origin of lamprophyres: some definitions ...
Lamprophyres are porphyritic dyke-rocks, readily recognisable in the field, which seemed to have become enveloped in petrological mystery because of their ...
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#40lamprophyre
lamprophyre A dark-coloured, strongly porphyritic, intrusive igneous rock, containing abundant euh Source for information on lamprophyre: A Dictionary of ...
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#41Lamprophyre Dikes - Chesapeake & Ohio Canal ...
The lamprophyre is an igneous rock that traveled upward as molten rock into these cracks, cooled, then was subjected to intense amounts of heat and pressure.
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#42GRR, keyword 'lamprophyre'
Keyword "LAMPROPHYRE" in: Intrusive rocks in the Barrandian Proterozoic of the Plasy area. D. Dolejš, volume 41, 2008 (GRR for 2007), pages 17–21
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#43Lamprophyres from the Indian shield - Episodes
Lamprophyres are some of the oldest recognized alkaline rocks and have been studied for almost the last. 150 years. Known for hosting economic minerals such.
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#44Lamprophyre Definition & Meaning
Lamprophyre definition: A dark igneous rock, having porphyritic texture, in which both the phenocrysts and the matrix consist of hornblende, pyroxene, ...
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#45lamprophyre - WordReference.com Dictionary of English
lamprophyre - WordReference English dictionary, questions, discussion and forums. All Free.
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#46Archean lamprophyre dykes and gold mineralization ...
Archean lamprophyre dykes and gold mineralization, Matheson, Ontario: the conjunction of LILE-enriched mafic magmas, deep crustal structures, and Au ...
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#47Mineralogy and petrology of shoshonitic lamprophyre ...
Mineralogy suggests that these lamprophyres belong to calc–alkaline variety whereas their bulk–rock geochemistry portrays mixed signals of both alkaline as well ...
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#48Lamprophyres | Geology Wiki - Fandom
Lamprophyres (Greek λαµπρός (lamprós) = "bright" and φύρω (phýro) = to mix) are uncommon, small volume ultrapotassic igneous rocks primarily occurring as ...
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#49Allanite in Variscan Post-Collisional Lamprophyre Dykes ...
This study characterizes allanite crystals from Les Guilleries spessartite dykes. (amphibole–plagioclase-dominated lamprophyres) to gain ...
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#50Geochemistry of lamprophyre dykes in the Eastern Desert ...
... lamprophyre, AL= alkali lamprophyre, CAL= calc-alkaline lamprophyre and LL =lamproite. - 85 - Inter. Conf. Geol. Arab World (GAW9), Cairo University – March ...
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#51Triassic calc-alkaline lamprophyre dykes from the North ...
Primitive lamprophyres in orogenic belts can provide crucial insights into the nature of the subcontinental lithosphere and the relevant ...
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#52Study on Mechanical Properties and Weakening ...
In order to study the weakening mechanism and mechanical behaviors of hard lamprophyre of Carboniferous Permian coal-bearing strata in ...
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#53Lamprophyre Rock: | Classification | Geochemistry - YouTube
Hello friends you're welcome to GeoEntire all about the Earth in this video we'll know about Lamprophyre Rock: Textures | Classification ...
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#54Lamprophyre
Lamprophyre. Ratings: (No Reviews) REVIEWS (0). Total Ratings: 0. Avg. Ratings ... Lamprophyre. Classic North American Rock Thin Sections Our finest thin ...
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#55Geology of the Quartet Mountain lamprophyre suite, ...
Weston (eds.), Yukon Geological Survey, p. 231-245. aBStraCt. The Early Cambrian Quartet Mountain lamprophyres are volatile-rich ultramafic alkaline dykes that.
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#56Lamprophyre. (Gk. lampros = bright; porphura = purple).
Lamprophyre. (Gk. lampros = bright; porphura = purple). Mica lamprophyre dyke, South Hill. Lamprophyres are dark coloured, minor intrusive igneous rocks ...
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#57Miocene lamprophyre and felsic volcanics in the outer ...
In this study, we investigate a suite of felsic volcanic rocks (rhyolite and dacite) and lamprophyres from central Shikoku Island, which occur ...
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#58Lamprophyres: Rock, N. M. S.: 9781475709315
Because not even a world map of known lamprophyres was previously available, almost half the book is deliberately taken up by the first global lamprophyre ...
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#59#lamprophyre on Instagram | Hashtags
104 posts - Discover photos and videos that include hashtag "lamprophyre"
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#60Geochemistry of the New England Lamprophyre series
The New England Lamprophyre Suite comprises a series of magmatic intrusions that connects the age progressive Canadian kimberlite lineament spatially and ...
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#61Mapping a hidden terrane boundary in the mantle ...
Lamprophyres are relatively rare volcanic or subvolcanic rocks characterized by dark mica or amphibole as the main phenocryst phase in a ...
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#62Mineralogy, geochemistry and petrogenesis of ...
dyke intrusions of camptonite (alkaline lamprophyre) and lamprophyre. The rocks contain abundant phenocrysts of amphibole, clinopyroxene, plagioclase ...
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#63Lamprophyres - 第 v 頁 - Google 圖書結果
... lamprophyre research 1.1.1 The 19th and early 20th centuries: lamprophyres are ... lamprophyre names: are they reasonable? 1.8 A new definition of the term ...
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#64Volcanology of lamprophyre diatremes of the Alpine Dike ...
Country rock breccias, pyroclastic rocks and coherent lamprophyre from lower diatreme and root zone deposits from four diatreme remnants Moeraki River, Mt Alta, ...
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#65Lamprophyre mica
Lamprophyre mica. Lamprophyre mica. ***Photo for illustration purpose only. Lamprophyre mica. Product Code: ER0320. Options. Size A (2 to 3 cm) = $1.00 CAD Size ...
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#66Ages of lamprophyre dykes from Ytterøy and Lerkehaug, ...
Ages of lamprophyre dykes from Ytterøy and Lerkehaug, near Stein kjer, Central Norwegian Caledonides. Norsk Geologisk Tidsskrift, Vol. 66, pp. 255-261, Oslo ...
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#67Lamprophyre intrusions, Newry Igneous Complex, Late ...
Lamprophyre intrusions, Newry Igneous Complex, Late Palaeozoic intrusives, Northern Ireland ... Numerous lamprophyre dykes and subconcordant ...
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#68Mineralatlas Lexikon - Lamprophyre (english Version)
lamprophyres (Lamprophyre) ... Lamprophyr-Gang im Granit. Stbr. Hengl, Limberg, NÖ, 2012. ... Grob-kristalliner Lamprophyr 11x7cm. Ratssteinbruch, Plauenscher Grund ...
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#69LAMPROPHYRES FROM OSPA OPHIOLITE OF THE EAST ...
Lamprophyre sample from East Sayan. In that ... Ca alkaline lamprophyre (CAL), and lamproite lamprophyres (LL) according to Rock's classification.
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#70The petrology of lamprophyre dikes in the Above Rocks ...
The amphibole-lamprophyres contain phenocrysts of calcic amphibole±albite and pyroxene. The groundmass contains calcic amphibole, plagioclase and alkali ...
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#71Lamprophyre Stock Photos and Images
RM 2E9DK0K–Lamproite (lamprophyre) is a volcanic rock. Cancarix volcanic dome, Hellin, Albacete province, Castilla-La Mancha, Spain.
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#72A compositional and textural investigation of the Goldie ...
A compositional and textural investigation of the Goldie Lamprophyre, Fremont County, Colorado ... lamprophyres. They expose at least three textural variants ...
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#73A new find of calc-alkaline lamprophyres in Thanewasna ...
The mineral chemistry of biotite and magnesio-hornblende is indicative of minette variety of calc-alkaline lamprophyre (CAL), which is further ...
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#74Lamprophyre
Define lamprophyre. lamprophyre synonyms, lamprophyre pronunciation, lamprophyre translation, English dictionary definition of lamprophyre. n.
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#75Ocellar lamprophyre dyke bearing mineralization, Wadi ...
Ocellar lamprophyre dyke (ENE-WSW) is recorded at Wadi Nugrus, Eastern Desert, Egypt. It cuts across porphyritic biotite granites and varies in thickness ...
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#76Actinolite xenolith & sandorite lamprophyre (Sandor Dike
... lamprophyre. Such rocks are ultrapotassic, mafic to ultramafic, intrusive igneous rocks. This one is a diamondiferous spessartite lamprophyre ...
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#77Provinces of ultramafic lamprophyre dykes, kimberlite dykes ...
Provinces of ultramafic lamprophyre dykes, kimberlite dykes and carbonatite in West Greenland characterised by minerals and chemical components in surface media.
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#78Lamprophyre as the Source of Zircon in the Veneto Region ...
Zircon and REE phases occur in both alkaline lamprophyres and connate calcite-bearing felsic lithics and their debris in lamprophyre breccia. We ...
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#79Late-stage hydrothermal alteration and heteromorphism of ...
Three generations of calc–alkaline lamprophyre, occurring as patches or segregations in granite and as dyke swarms with a NNW–SSE trend, are associated with ...
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#80A Post-Caledonian Ultrabasic Biotite Lamprophyre Dyke of ...
Biotite lamprophyre. Photomicrographs, 26 X. Right: Phenocrvst of biotitc contiguous to an analcite ocellus. Left: Pseudomorphs after olivinc. The contact ...
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#81linking lamprophyre dikes and hydrothermal gold deposits ...
Lamprophyre formation can occur in a variety of different tectonic settings and through a variety of petrogenetic processes which was explored in a prior study ...
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#82Olivine-hornblende-lamprophyre dikes from Quebrada los ...
Olivine-hornblende-lamprophyre dikes from Quebrada los Sapos, El Teniente, Central Chile (34°S): implications for the temporal geochemical evolution of the ...
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#83Geology, petrology and geochemistry of the Bow Hill ...
Fielding, D. C., & Jaques, A. L. (1986). Geology, petrology and geochemistry of the Bow Hill lamprophyre dykes, Western Australia.
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#84C 1016 - Geochemistry and petrography of lamprophyre dike ...
Geochemistry and petrography of lamprophyre dike rocks in the Coast Mountains, southeastern Alaska. Authors: Lull, J.S., and Plafker, George ...
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#85What is lamprophyre rock?
Lamprophyre rock is a type of igneous rock with a composition of lava and quartz, formed by the cooling of magma that has been forced to the surface.
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#86Mantle and crustal xenoliths from the Okenyenya ...
The focus of this study is a 100 m diam- eter diatreme of ultramafic lamprophyre (alnöite) that intrudes the Okenyenya igneous complex, located at. 20°50'S, 15° ...
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#87Lamprophyres, Lamproites and Related Rocks: Tracers to ...
... lamprophyre 10000 Musala lamprophyre 1000 100 100 10 Mundwara chilled basalt Deccan lamprophyre 10 Mundwara chilled basalt Deccan lamprophyre 1 1 La Ce Pr ...
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#88Mineralogical and geochemical characterization of a rare ...
A metre-thick ultramafic lamprophyre dyke intrudes the basement of the Tandilia belt at the Sierra Alta de Vela, Argentina. A petrological and geochemical ...
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#89Petrology of ultramafic lamprophyres from the Beaver Lake ...
The dyke rocks are richer in olivine and melilite than the other lamprophyre facies (Table 1) and have a much more uniform grain size (0.1±0.3 mm). The matrix.
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#90The relationship between lamprophyre dykes and ore ...
Some conceptions by Bowen regarding the processes apparently involved in the formation of ultra-basic lamprophyres have been applied to observations made on ...
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#91Geochemistry of Variscan lamprophyre magmatism in the ...
This work presents and evaluates the mineralogical, geochemical, and Sr-Nd-. Pb isotopic data of late-Variscan calc-alkaline lamprophyres, post-Variscan ...
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#92Petrological and Geochemical Characteristics of a ...
... lamprophyre clan‟, a term that has collectively included lamprophyres, ... lamprophyre (LL) and (5) kimberlitic lamprophyre (KL). The CALs ...
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#93Multi-tests for pore structure characterization-A case study ...
The lamprophyre 3D pore structure shows more stochastic and anisotropic extension on the z axis to form a complex pore system on a three- ...
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#94File:Lamprophyre breccia (Dubreuilville Dike, Archean
Lamprophyre breccia in the Precambrian of Ontario, Canada. This is part of an igneous dike composed of a rare igneous rock called lamprophyre. Such rocks are ...
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#95Lamprophyre Dyke at Moulin Huet 1
Lamprophyre Dyke at Moulin Huet 1 - Igneous intrusive lamprophyre dyke cutting through Icart Gneiss (the darker rock on the left bottom ...
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#96Beach rock hunting tools
... lamprophyre and lamproite dikes or ultra-high pressure metamorphic rocks. Lake Depth Maps. ♢ Once on the foreshore, head north, examining ...
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#97Sessional Papers - 第 46 卷，第 2 篇 - 第 12 頁 - Google 圖書結果
Ontario. Legislative Assembly. POST - TIMISKAMING INTRUSIVES Lamprophyre Dikes of lamprophyre are common in the Keewatin and Timiskaming . In the Keewatin ...
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