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Topic: Aplite

	Aplite - LoveToKnow 1911
		Aplites are usually very fine-grained, white, grey or flesh-coloured, and their constituents are visible only with the help of a magnifying lens.
		The aplites of granite areas, for example, are the last part of the magma to crystallize, and correspond in composition to the quartzo-felspathic aggregates which fill up the interspaces between the early minerals in the main body of the rock.
		The essential components of the aplites are quartz and alkali felspar (the latter usually orthoclase or microperthite).
	www.1911encyclopedia.org /Aplite (441 words)

	Aplite - Wikipedia, the free encyclopedia
		Aplite in petrology, the name given to intrusive rock in which quartz and felspar are the dominant minerals.
		Dykes and threads of aplite are very frequently to be observed traversing granitic bosses; they occur also, though in less numbers, in syenites, diorites, quartz-diabases and gabbros.
		Riebeckite-granites (paisanites) have close affinities to aplites, shown especially in the prevalence of alkali felspars.
	en.wikipedia.org /wiki/Aplite (481 words)

	Aplite, pegmatite, and felsophyre dikes
		A zone of aplite and pegmatite dikes were emplaced along the contact between the metavolcanic and plutonic rocks in the Alabama Hills.
		The aplites and pegmatites are interrelated which is indicated by the fact that some aplites have segregations of coarse textured pegmatites.
		A rock that is physically separated from the pegmatite and aplite dikes by greater than a mile is the felsophyre dike in the north end portion of the hypabyssal rocks.
	www.angelfire.com /extreme4/lkrwork/x170.htm (396 words)

	Report of Activities 1999: Kontak No. 3
		Aplite and coarser leucogranite sheets are dominated by quartz, K-feldspar and albitic plagioclase, with lesser amounts of muscovite and rare cordierite.
		The aplite samples fall near the ternary minimum for water-saturated haplogranite (Tuttle and Bowen, 1958) and near the average aplite for the SMB (Ham et al., 1988); however, the aplites also define a trend plotting toward the K-feldspar samples.
		Plagioclase feldspar in leucogranite and aplite varies from An to An composition, as is typical of this mineral phase in evolved granites, including the SMB (MacDonald et al., 1992).
	www.gov.ns.ca /NATR/meb/00re1/16kontak.htm (6516 words)

	meldon (Site not responding. Last check: 2007-10-24)
		Three types of aplite have been distinguished: (1) 'blue-aplite', a bluish, marginally chilled facies composed of albite and quartz with minor apatite, tourmaline, orthoclase and colour-less lithia-mica; (2) 'white aplite' composed of albite, quartz and light-pink lithia-mica; and (3) 'brown aplite' which is coarser, metasomatised, with pink-brown lithia-mica and more quartz.
		Chaudhry, M.N. and Howie, R.A. (1973) Lithium-aluminium micas from the Meldon Aplite, Devonshire, England.
		McLintock, W.F.P. (1920) On the occurrence of petalite and pneumatolytic apatite in the Meldon Aplite, Okehampton, Devonshire.
	www.minerals.f9.co.uk /minloc/meldon/meldon.htm (892 words)

	Olympus Microscopy Resource Center: Polarized Light Microscopy Gallery - Aplite
		Also known as haplite, aplite is an intrusive igneous rock that chiefly consists of quartz and feldspars.
		Aplite is light in color and exhibits a granular texture, similar to that of sugar.
		Aplite does, however, frequently occur with pegmatite, a similar rock that is more coarsely grained.
	www.olympusmicro.com /galleries/polarizedlight/pages/aplitesmall.html (156 words)

	Waymark - Aplite and Pegmatite Dikes – Anza Borrego SP (WM5TG) (Site not responding. Last check: 2007-10-24)
		Waymark - Aplite and Pegmatite Dikes – Anza Borrego SP (WM5TG)
		Aplite and Pegmatite Dikes – Anza Borrego SP Quick Description: The dikes are in a road cut along the highway.
		The difference between the two types of dikes is the grain size; aplite grains are small while pegmatite grains are large.
	www.waymarking.com /wm/WM5TG (657 words)

	ORIGIN OF PEGMATITE-APLITE DIKES IN THE SPARTA GRANITE, GEORGIA
		Aplite cuts, fills fractures and envelopes the pegmatitic microcline and quartz within the dikes.
		Aplite consists of undeformed albite, interstitial quartz, accessory garnet, opaques and epidote.
		In this case aplite genesis may incorporate aspects of both pressure and compositional quenching as waning stress ruptured the pluton and sodic residual melt bled into the fractured dikes.
	gsa.confex.com /gsa/2001SE/finalprogram/abstract_4422.htm (435 words)

	New Page 5 (Site not responding. Last check: 2007-10-24)
		Microveins and aplites in the Leinster Granite south-east Ireland (MSc)
		The aplite commonly found in veins in the roof zones of granite intrusions is generally considered to develop in the later stages of granite crystallization.
		In aggregate, the amount of this material is sufficient to form aplite veins that would match those occurring in the source quarry of the dimension stone at Ballybrew, Co. Wicklow.
	www.ucd.ie /geology/geologyinfo/research/recentphd/pynemsc.htm (308 words)

	U.S. Silica Company - Aplite (Site not responding. Last check: 2007-10-24)
		Aplite is added to container glass and insulation fiber glass batches for alumina.
		Alumina inhibits devitrification and affects the viscosity during glass forming and improves the chemical durability and thermal shock resistance of the finished glass.
		Aplite's lower melting point enables the material to disperse easier at the furnace temperatures used in glass making.
	www.u-s-silica.com /aplite.htm (78 words)

	GSA Cordilleran Section
		Many of the dikes are aplites, pegmatites, or related textural variants, and are mineralogically simple, containing >95% quartz + K-feldspar + plagioclase, with minor biotite, magnetite, titanite, zircon and apatite, and in rare cases, tourmaline, garnet, and secondary epidote and chlorite.
		Assuming the aplites were intruded at temperatures lower than or equal to the rocks in which they intruded, it would be expected that Cl/OH would be elevated in the aplitic apatites if the variation in apatite composition was due primarily to a temperature effect.
		If we make the assumptions that the aplite composition is representative of the melt from which it was derived, and there is no xenocrystic apatite present in these aplites, the temperature at which apatite begins to crystallize can be calculated (Piccoli and Candela, 1994).
	www.geol.umd.edu /~piccoli/gsa_1996/poster.htm (1523 words)

	APLITE - Online Information article about APLITE
		Dykes and threads of aplite are very frequently to be observed traversing granitic bosses; they occur also, though in less See also:
		Crystallization has been appal., ently rapid (as the rocks are so fine-grained), and the ingredients have solidified almost at the same See also:
		affinities to aplites, shown especially in the prevalence of alkali felspars.
	encyclopedia.jrank.org /ANC_APO/APLITE.html (585 words)

	Aplite (Site not responding. Last check: 2007-10-24)
		The feature cutting across the rock is an aplite dike.
		A number of these occur in the granite on Enchanted Rock.
		"Aplite" is just a fancy geology word for a fine-grained granite with a sugary texture and not much biotite.
	uts.cc.utexas.edu /~rmr/E-rock/aplite.html (62 words)

	Search MINFILE Database (Site not responding. Last check: 2007-10-24)
		The Aplite Creek prospect is hosted within the Early Jurassic Aplite Creek Intrusive Complex (informal name); a possible phase of the larger Late Triassic to Early Cretaceous Hogem Intrusive Complex.
		The Aplite Creek complex is composed of equigranular and porphyritic diorite and gabbro, augite (hornblende) porphyritic monzodiorite, intrusive breccia and aplite and monzonite dikes.
		Rocks of the Aplite Creek Intrusive Complex are cut by fracture zones trending northwest (345 degrees) or northeast (060 degrees).
	www.em.gov.bc.ca /cf/minfile/search/search.cfm?minfilno=093N++085 (278 words)

	"Aplite. Automation for PCB production" (Site not responding. Last check: 2007-10-24)
		Aplite Inspection - the optical inspection system for printed circuit boards and artworks;
		Aplite Gold - the module for the inspection and polygonal vectorization of "golden boards";
		Our customers can afford to purchase only the set of functionalities, which is essential for their production works.
	www.imach.uran.ru /aplite/solutions_eng.html (73 words)

	Tom Hanley Home Page
		The ACRES 2003 summer group, building on the work of previous groups summarized the major, trace and REE data for lineated gneiss and aplites from both the northern and southern limbs of the Lake Olive Synform.
		Ledge of lineated gneiss, folded aplite and amphibolite sliver, and tabular discordant pegmatite, Flat Rock Park, Columbus, Georgia.
		Dave analyzed and plotted lineated gneiss and aplite from the Manchester Expressway; Jeff analyzed and plotted lineated gneiss and aplite from Midland Trace.
	chemgeo.colstate.edu /th_hp.htm (973 words)

	MYRMEKITE 49 of 50
		In early stages of replacement the plagioclase grains may retain their oscillatory zoning with calcic cores, but in and near the granitic aplite dikes, they recrystallize as unzoned more-sodic crystals.
		The greatest degrees of movements of these elements in and out of the open system produced aplite and pegmatite in the center of the dike where the maximum angle of deflection occurred in the S-shaped flexure.
		Moreover, the outer, westernmost, 500-m-wide granitic rock that extends along the western margin of the Kernville pluton and which appears to be an extension of the Isabella pluton (Fig.
	www.csun.edu /~vcgeo005/Isabella.htm (3309 words)

	[No title] (Site not responding. Last check: 2007-10-24)
		It forms a partly eroded dome-shaped body that is commonly 6 to 10 m thick.
		Layering within the lens consists of an aplite footwall zone, a pegmatite-aplite central contact zone, and a pegmatite hanging-wall zone.
		The hanging-wall zone contains a lineated aplite unit on the upper contact and a massive pegmatite unit, representing a volatile-rich, less dense differentiate of the parental magma.
	library.iem.ac.ru /can-min/vol34/cm2/miller.html (321 words)

	GSA Annual Meeting Abstract (Site not responding. Last check: 2007-10-24)
		The ASI of the residual melt, calculated from the bulk composition of the RC aplites, was 1.02.
		That is, given apatite data and aplite ASI, we can demonstrate that a vapor in equilibrium with the RC aplite melt was at, or close to, saturation with brine.
		We suggest that these techniques be used to estimate the concentration of HCl and Cl in the vapor in magmatic hydrothermal systems, given melt ASI and/or apatite composition data.
	www.geol.umd.edu /~piccoli/denver/abstract.htm (526 words)

	ZIRCON-RICH TA-NB-REE MINERALIZATION IN THE RADIOACTIVE MCKEEL LAKE PEGMATITE-APLITE SYSTEM, WELSFORD IGNEOUS COMPLEX, ...
		It is made up of a steep easterly dipping series of aplite dykes ranging up to 40 cm wide with a trend of 340º.
		The dykes are closely spaced and interconnected by narrow branching dykelets that generally trend perpendicular to the overall strike direction.
		From the analyses of the collected samples 2 separate aplite phases can be identified, an aplite that is non-mineralized which occurs at depth and a mineralized phase that occurs above the non-mineralized phase.
	gsa.confex.com /gsa/2003NE/finalprogram/abstract_51395.htm (358 words)

	PRR-03198 aplite (Site not responding. Last check: 2007-10-24)
		N50°W, 50°SW white aplite dike ~ 10 cm wide; N62°E, 90° aplite dike ~ 5 cm wide.
		Joint N10°W, 58°NE cuts aplite and has Fe oxide along it.
		Shear joint N50°E, 45°NW cuts aplite, has epidote, Fe oxide, staining.
	www-bprc.mps.ohio-state.edu /rr/samples/exhibit1/e15050a.htm (59 words)

	Interstate Mining Compact Commission
		Surface/Regulated: Bauxite and Alumina, Beryllium, Cement, Chert, Clays (Kaolin, Common Clay, Fuller's Earth), Feldspar, Nephaline Syenite, and Aplite, Gold, Iron Oxide Pigments, Lightweight Aggregate, Limestone and Dolomite, Mica Serecite (Scrap Mica), Peat, Sand and Gravel, Sand - Silica, Shale, Stone (Crushed), Talc and Pyrophyllite, and Topsoil.
		Surface/Regulated: Clays (Kaolin, Common Clay, Fuller's Earth), Feldspar, Nephaline Syenite, and Aplite, Gem Stones, Gypsum, Kyanite and Related Materials, Lightweight Aggregate, Limestone and Dolomite, Lithium, Peat, Phosphate Rock, Sand and Gravel, Sand - Silica, Shale, Stone (Crushed), Stone (Dimension), Talc Pyrophyllite and Topsoil.
		Surface/Regulated: Beryllium (Pegmatite), Cement, Clays (Kaolin, Common Clay, Fuller's Earth), Columbium and Tantalum (Pegmatite), Feldspar Nephaline Syenite, and Aplite (Pegmatites), Gem Stones (Rose Quartz), Gold, Gypsum, Iron Ore, Lightweight Aggregate, Lime, Limestone and Dolomite, Lithium (Pegmatite), Mica Serecite (Scrap Mica)(Pegmatite), Sand and Gravel, Sand - Silica, Shale, Silver, Stone (Crushed) and Stone (Dimension).
	www.imcc.isa.us /NonCoal/NC26.htm (1446 words)

	"Aplite. Automation for PCB production" (Site not responding. Last check: 2007-10-24)
		Generation of electronic defects list and printable report;
		Electronic defects list is a comprehensive report of the inspection system, which can be transferred to the repair station or to the customer and can be browsed using the Aplite demo.
		Solutions Color and Gold provide additional features for Inspection.
	www.imach.uran.ru /aplite/brochure_eng.html (896 words)

	aplite - Dictionnaire Français-Anglais WordReference.com
		We found no English translation for 'aplite' in our French to English Dictionary.
		Or did you want to translate 'aplite' from English to French?
		Forum discussions with the word(s) 'aplite' in the title:
	www.wordreference.com /fren/aplite (49 words)

	Friday Rock Blogging: Aplite Dike
		Equally lovely pale aplite (quartz+feldspar) muscles its way into a weak spot.
		Also, Joe has a Thursday Rock Blog up.
		Posted 23 Apr 2005 at 6:42 am ¶
	greengabbro.net /2005/04/21/friday-rock-blogging-aplite-dike (108 words)

	aplite - English-French Dictionary - WordReference.com
		We found no French translation for 'aplite' in our English to French Dictionary.
		Look for a definition in our English Dictionary.
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	www.wordreference.com /enfr/aplite (57 words)

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