 | | Journal (article/letter/editorial) | | central India: evidence for transitional kimberlite – orangeite (group II kimberlite) – lamproite rock type...Ore-Dressing Division, Indian Bureau of Mines, Nagpur, India Received November 13, 2003; revised version accepted...Mesoproterozoic diamondiferous Majhgawan pipe of central India is re-examined in the light of new and recently...petrography and mineralogy are comparable to lamproite and to some extent to orangeite, whereas the major...is closer to that of lamproite but Nd isotope systematics are atypical of lamproite or orangeite. The inferred |  | | Report (chapter) | | dykes at Holsteinsborg, W Greenland, and Chelima, India, and Precambrian pipe at Argyle, W Australia, to...tend to be carrot shaped, the shape of olivine lamproite diatremes approximates a sherbet-glass. The recent...Creek, Arkansas, as a lamproite substantiate their economic importance. The 21 lamproite suites considered...apatite and chrome spinel, and very rare ilmenite. Lamproite amphiboles, diopsides and phlogopites are distinctly...relative to those of nearly all other igneous rocks. Lamproite magmas are produced by the partial melting of |  | | Journal (issue) | | JOURNAL OF EARTH SCIENCES FROM GEOLOGICAL SURVEY OF INDIA Editorial Advisory Board (2003-2004) P. C. SRIVASTAVA...I05-1l4 ? SAMBHUNATH GHOSH Geological Survey of India DK-6, Secto r-II, Salt Lake, Kolkata 700 091 ABSTRACT...in and around the Lonar astrobleme in Buldana District, Maharashtra, an impact model has been envisaged...Geological map ( I : 50(0) of Lonar crater. B u ldana District, Maharash!ra (after Dube and Sengupta, 1984 modified...map ( I : 5000) of Lonar crater ejecta, Buldana District, Maharashtra. � " -. � lC�AR " '� � M::HlnO"1U: |  | | Report (chapter) | | Niggli (1923) to Jaques et al. (1984)); the name lamproite, of course, intrinsically implies close affinity...Sodic-calcic o1% o]z 0.4! • ./'7 " ~- // l " lamproite ',/ L~ (Hall 1982 -~ ~ i/ .hi ~, "/ ,~ 1"...compositional differences between the different lamproite families (Bergman 1987). 3 See notes 2 and 4 to...Prairie Creek 'kimberlite', for example, is a lamproite (Bergman 1987; Scott Srrtith & Skinner 1984a)...(XRF) (La to Sm only): ,, one camptonite, Girnar, India (Paul et al. 1977) (INAA); ~-, two monchiquites |  | | Book | | 978-1-4615-3788-5 (eBook) DOI 10.1007/978-1-4615-3788-5 1. Lamproite. 2. Petrology. 3. Geoehemistry. 4. Rocks, Igneous...present new interpretations of various aspects of lamproite petrology. Hence, the work is not simply a summary...Dallas Contents Chapter 1. Chapter 2. The Lamproite Clan-Etymology and Historical Perspective 1. 1...Initial Discoveries-1870-1906 1.3. Etymology of Lamproite 1.4. Western Australian Discoveries-The Legitimization... Recent Developments Potassic Rocks and the Lamproite Clan 2.1. Alkalinity, Sodic, Potassic, and Ultrapotassic |  | | Report (volume) | | rocks such as micaceous kimberlite (Dawson), and lamproite and other potassic igneous rocks (Bergman). It...rocks such as micaceous kimberlite (Dawson), and lamproite and other potassic igneous rocks (Bergman). It...erupted as liquid, examples being available from lamproite through melilitite and nephelinite and extending...175*---- J" I I P OL-MELIL ? I K I M B T I - LAMPROITE I I K I M B T CARBONATITE I I MELTS INCREASINGDECREAStNG...mantle. The observed isotopic ratio in erupted lamproite or micaceous kimberlite will depend on (1) the |  | | Book | | Xenoliths from the Kimberlites and the Argyle Lamproite, Kimberley Block, Australia: Implications for...Harzburgitic and Dunitic mantles. Kimberlite-and lamproite-borne chromite phenocrysts with "diamond-inclusion"-type...Petrology and Geochemistry of the Ruby Slipper Lamproite, Western Montana: A Leucite-Bearing, Ultrapotassic...intrusions in the Damodar Valley, India: the micaceous kimberlite lamproite connection revisited. Ultramafic...527 Petrology of Group 2 Kimberlite - Olivine lamproite (K2L) from the Kostomuksha area, Karelia, N.W |  | | Book | | spell and pronounce the name of the main electoral district by calling it after his Lordship. The names "New... lamprophyres, picrite porphyry, and olivine lamproite. These rocks are similar in being characterized...27 Figure 2.8. Olivine lamproite, Kimberlite Mine, Arkansas . This lamproite is characterized by microphenocrysts...diamondiferous ultramafic rocks are described as olivine lamproite or "kimberlitic rocks." Some examples are said...merely ultramafic components of a differentiated lamproite magma. None of the rocks have any petrogenetic |  | | Book (edition) | | Bihar SA West Bengal Peninsula Ajmer City and district in central. BT Rajasthan Akchagylian Europe...Akita City on Japan Sea in N. BT Honshu Japan Al India Akchatau Town in SE Karaganda central. BT Kazakhstan...Honshu. BT Permian SA Honshu SA Japan France India BT sorosilicates orthosilicates silicates minerals...longer a valid term for GeoRef. Use Algoma District. Algoma District Term introduced in 1985. On Lake Superior...N461000N494000 W0824500W0852000 UF UF BT Algoma District of Algoma Ontario Canada Baraboo Quartzite SA |  | | Book (edition) | | Colorado at the Pelican Dives mine, Silver Plume district, and at the Little Emma mine, Clear Creek County;...lode, Summit County, and in the Cripple Creek district. It is also found in Canada; Mexico; Bolivia;...Greenland, Scotland, Norway, USSR, Nigeria, Kenya, India, and elsewhere. SELECTED REFERENCE: Deer, Howie...California; in sodalite-syenite in the Julianehaab district, Greenland; in the liparite lavas of the island...slate and metamorphosed dolomite in the Beiyun-Obo district, Inner Mongolia, China, associated with aegirine | | | Book (edition) | | Colorado at the Pelican Dives m.ine, Silver Plume district, and at the Little Emma mine, Clear Creek County;...lode, Summit County, and in the Cripple Creek district. It is also found in Canada; Mexico; Bolivia;...Greenland, Scotland, Norway, USSR, Nigeria, Kenya, India, and elsewhere. SELECTED REFERENCE: Deer, H owie...Califo1nia; in sodalite-syenite in the Julianehaab district, Greenland; in the liparite lavas of the island...slate and metamorphosed dolomite in the Beiyun-Obo district, Inner Mongolia, China, associated with aegirine |
|
