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Topic: Basement rock

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	Latest Pop/Rock Albums
		Grace Potter and the Nocturnals have long been impressing crowds on the jam band, roots rock, and even jazz tour circuits, and now, with a label deal for the very first time in their lives, they finally have the opportunity to reach an even broader audience.
		It’s more like a movement As her band mates exorcise their inner rock god on the hard-charging, hooky One Girl Revolution turning the band’s third disc into perhaps their most electrified outing Dodson urges her fans to be themselves and to rejec......
		Twelve years and four albums into their career, ABSOLUTE GARBAGE is the first comprehensive anthology of hits by the Anglo-American quartet led by pint-size powerhouse Shirley Manson.
	www.poprocklyrics.com /poprocklyrics/albums.php (663 words)

	10(o) Physiography of the Earth's Terrestrial Surface
		Basement rock is composed of mixtures of ancient granite, gneiss, schist, volcanic, plutonic, and sedimentary rocks.
		Basement rock that is exposed at the Earth's surface is called shield.
		Note that the surface of the basement rocks (the shield) is gently arched.
	www.physicalgeography.net /fundamentals/10o.html (1082 words)

	NationMaster - Encyclopedia: Basement rock
		Basement rock is contrasted to overlying sedimentary rocks which are laid down on top of the basement rocks after the continent was formed, such as sandstone and limestone.
		The basement rocks are often highly metamorphic and complex, it may contain fragments of oceanic crust that became wedged between plates when the terrane was accreted to the edge of the continents, as well as complex structure many different types of instrusive and metamorphic rocks.
		Basement rock is composed of mixtures of ancient granite, gneiss, schist, volcanic, plutonic, and sedimentary rocks.
	www.nationmaster.com /encyclopedia/Basement-rock (1752 words)

	Adirondack Mountain Geology
		Metaplutonic rocks were formed by metamorphism of igneous rocks that cooled and crystallized from magma (molten rock) deep in the earth's crust.
		This compression, or squeezing, of the crust was accompanied by folding of the rock layers.
		The escarpment of sedimentary rocks is grossly exaggerated to illustrate the concept of upturned sedimentary rocks surrounding the dome.
	gretchen.geo.rpi.edu /roecker/nys/adir_txt.html (6065 words)

	Geophysical Corner (AAPG Expl, 11/99)
		The basement fractures are reactivated at later times during, or after, deposition of the sedimentary section and create structures and/or sedimentary facies that become oil and gas traps and reservoirs.
		Shear zones in the basement are one, two or three kilometers in width, are characterized by crushed and broken rock across the entire width, and are usually steeply dipping.
		However, the lithology of the basement is the primary influence on magnetic maps, and structure is a secondary, and sometimes insignificant, factor.
	www.aapg.org /explorer/geophysical_corner/1999/gpc11.cfm (1100 words)

	The Dispatch - Serving the Lexington, NC - News (Site not responding. Last check: 2007-10-26)
		Basement rock usually refers to the thick foundation of ancient, and oldest metamorphic and igneous rock that forms the crust of continents, often in the form of granite.
		The sedimentary rocks which may be deposited on top of the basement usually form a relatively thin veneer, but can be more than 3 miles thick.
		Much of the basement rocks may have originally been oceanic crust, but it was highly metamorphosed and converted into continental crust via a series of events.
	www.the-dispatch.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=Basement_rock (830 words)

	Basement reservoirs
		Reservoirs in fractured basements, where the oil and gas in place may be held within an extensive fracture network on a variety of different scales rather than within the matrix porosity of the formation, present challenging problems to the petrophysicist and reservoir engineer.
		Landes et al, (1960) postulated that basement rock oil accumulations are not freaks to be found solely by chance but are normal concentrations of hydrocarbons obeying the rules of origin, migration and entrapment.
		Structural highs in the basement are created by fault tectonics or by the submergence and subsequent covering with sediments of hills sculptured in the basement rock during its emergence.
	www.geoscience.co.uk /geofrc/geobasetop.html (2122 words)

	Basement Complex - Print Version
		Basement complex rocks are subdivided into migmatite-gneiss complexes; the older metasedi- ments; the younger metasediments; the older gran- ites; and the younger granite alkaline ring complex- es and volcanic rocks.
		The migmatite gneiss complex is the oldest basement rock, and is believed to be of sedimentary origin but was later profoundly altered into metamorphic and granite conditions.
		Most parts of the Basement complex are under- lain by belts of roughly north-south trending, slight- ly metamorphosed ancient Pre-Cambrian sedimentary and volcanic rocks known as the younger metasediments.
	www.onlinenigeria.com /links/LinksReadPrint.asp?blurb=501 (379 words)

	Rock Creek to crest of the Platte River Mts
		Rock Creek to crest of the Platte River Mts.
		The last part of the road to the trailhead drops down to Rock Creek and is a little rough and steep, and there are two campsites there that may already be in use.
		The Front Range, in which Rock Creek and the Platte River Mountains occur, is one of a number of Laramide uplifts in the Rocky Mountains.
	home.earthlink.net /~colorado_hiking3/Rock_Ck/Rock_Ck.htm (1100 words)

	Rap Basement - Kid Rock Prepping Album Full Of 'Bangers' (Site not responding. Last check: 2007-10-26)
		Rock -- who divorced media starlet Pamela Anderson in November, after just four months of marriage, then mourned the December the death of Atlantic Records co-founder Ahmet Ertegun, a close friend -- tells Billboard.com that he hopes to have the album done and finished "soon -- this year for sure.
		Rock says the material is leaning towards hard rock -- "I've got an album of bangers," he declares -- and that there's a lot of it.
		Rock confirms that Rick Rubin is helping with the album, though not in a primary producing role.
	www.rapbasement.com /content/view/2363/35 (463 words)

	Exposure of Basement Rock on the Continental Slope of the Bering Sea -- Scholl et al. 153 (3739): 992 -- Science
		Exposure of Basement Rock on the Continental Slope of the Bering Sea -- Scholl et al.
		Exposure of Basement Rock on the Continental Slope of the Bering Sea
		and the age of the rocks of the acoustic basement are not known.
	www.sciencemag.org /cgi/content/abstract/153/3739/992 (336 words)

	Exercise on geologic map
		By examining the age distribution of the rock layers, we conclude that the structure of Michigan is a ___________________.
		We can see the relationship between the basement rock and the sedimentary rock cover on the cross section of the Ohio geologic map.
		According to the basement contour map of Ohio, the igneous and metamorphic rock basement of Ohio is as shallow as __________ feet below the sealevel, and...
	muskingum.edu /~ericlaw/pd_courses/geol101/LabStructures/geologicMapEx.html (668 words)

	Precambrian: Precambrian Rock
		These rocks, which occur mainly in the western and north western part of the State, originally laid down as sands, silts and muds, were metamorphosed (altered) during an early mountain building episode 750 to 1,000 million years ago.
		Later Precambrian rocks are much less altered and include dolomites, such as those in the Hastings area in southern Tasmania, and dolerite sills and dykes in the north west.
		Mineralisation was hosted in Eocambrian sandstones, with lead distribution seemingly affected by the presence of ridges of Precambrian basement rock and by local overthrusting in the sediments.
	www.lycos.com /info/precambrian--precambrian-rock.html?page=2 (526 words)

	Geotimes - August 2003 - Tertiary Acid Rain Survivors
		Larnite is a member of the orthosilicate group, the fastest acid buffers of all the silicates.
		It forms when carbonate rock becomes metamorphosed by exposure to magma or when crystals precipitate out of a high-temperature melt that has undergone rapid cooling, such as a vapor plume.
		To test their theory, Maruoka and Koeberl considered the speed of acid neutralization in the worst-case scenario for freshwater life — where all of the sulfur liberated by the impact was immediately converted to sulfuric acid and fell back to Earth.
	www.agiweb.org /geotimes/aug03/NN_acidrain.html (628 words)

	EW Natural Hazards Glossary
		Igneous and metamorphic rocks that underlie the main sedimentary rock layers of a region and extend downward to the base of the earth crust.
		Metamorphic rock is formed when either sedimentary or igneous rock is altered by heat, pressure and/or chemical reaction (with the exception of chemical weathering).
		One common example of a sedimentary rock found in the Waikato Region is greywacke, which is consolidated sandstone.
	www.ew.govt.nz /enviroinfo/hazards/hazglossary.htm (1325 words)

	New York Geology
		The metamorphic rocks that dominate the Adirondacks and Hudson Highlands were transformed from pre-existing igneous and sedimentary rocks at high temperature and pressure when they were deep within the earth's crust beneath ancient mountain ranges.
		For example"granite," as defined by geologists, is an igneous rock, consisting of grains of quartz, potassium feldspar, and plagioclase feldspar.
		The basement is a complex of metamorphic and igneous rock bodies that were generated in the rootsof mountains.
	gretchen.geo.rpi.edu /roecker/nys/nys_edu.pamphlet.html (6087 words)

	August 29, 2000
		The rock coring sled has been working well during the cruise, even though we have had to visually estimate such parameters as the weight on bit, rpm and depth of penetration.
		During the withdrawal of the rock coring string, we were plagued with the problem of the insufficient connector between the rock coring motor and the rock coring string.
		The seismic data display a homogeneous basement rock (which we now know is uplifted oceanic crust) overlain by deformed sediments of unknown age and lithology.
	www.mbari.org /expeditions/Mendocino/August29.htm (1000 words)

	The “Abiotic Oil” Controversy \| EnergyBulletin.net \| Peak Oil News Clearinghouse
		The drilling which resulted in these discoveries was extended purposely deep into the crystalline basement rock, and it is in that basement where the greatest part of the reserves exist.
		Then there are situations where igneous or metamorphic rocks have migrated upward, or sedimentary rocks have migrated downward, so that basement rock covers sedimentary rock (in some cases, the overthrust may be hundreds of square kilometers in extent).
		Tectonic movements are now known to be able to radically reshuffle rock strata, leaving younger sedimentary oil- or gas-bearing rock beneath basement rock, leading in some cases to the appearance that oil has its source in Precambrian crystalline basement, when this is not actually the case.
	www.energybulletin.net /2423.html (3151 words)

	WorldNetDaily: Oil found in bedrock structures since 1930s
		When oil is found in igneous or volcanic rock, "Fossil-Fuel" theorists just explain the problem away by assuming that that the oil has "seeped down" into the basement rock through faults or fissures from the sedimentary "source rock" where the oil was formed.
		The oil found in basement rock may well be abiotic oil, a deep-Earth product that forms naturally in the mantle of the Earth and seeps up into sedimentary levels.
		He cautioned that the probable reserves recoverable from basement rock are of such a magnitude that "discovery by design should become the rule." Landes wondered how many oil discoveries had been missed because of inadequate exploration of the "barely scratched" basement rocks.
	worldnetdaily.com /news/printer-friendly.asp?ARTICLE_ID=47650 (1187 words)

	Catoctin Mountain Park - Nature & Science
		Most of the rock visible in Catoctin dates from the Precambrian or Cambrian times (500 million years ago or more) and was formed from a lava flow of molten rock.
		Next, the heat and pressure of mountain building changed the original lava into a metabasalt.Younger rocks were once present, lying on top of the rock we see today, but over millions of years they have been eroded away by wind, rain, running water and ice.
		Rough outcrops of weathered metamorphic rocks, primarily Weverton quartzite and Catoctin Greenstone, typify the geology of Catoctin.
	www.nps.gov /archive/cato/pphtml/subnaturalfeatures14.html (558 words)

	Model of Log Response in Brecciated Basement
		The model in the left portion of the accompanying figures is a highly simplified 2-dimensional depiction of a fractured/brecciated basement rock.
		Since the volume fractions of the two rock components away from the wellbore cannot be determined, it is not possible to filter the high resolution apparent resistivity to match the volumetric response of the lower resolution measurement.
		In heterogenoeus environments, the log response is influenced by rock properties not seen at, or close to, the wellbore.
	www.hendersonpetrophysics.com /Heterogeneity.html (773 words)

	BASEMENT 3 - Bio (Site not responding. Last check: 2007-10-26)
		Basement 3 is a ‘solo’ project spearheaded by Kenny Schick, a multi-instrumentalist and long time veteran of the San Francisco Bay Area music scene.
		When not juggling the responsibilities of the Basement 3 project, Kenny can be seen performing with bay area reggae/pop sensation Dub FX, who have also just released a new CD entitled ‘Tell Me What You Want’.
		Basement 3 is a unique project that is a testament to Kenny’s love for the art of music, it’s power in all forms, and it’s importance to people in all parts of the world.
	www.basement3.com /bio.html (1184 words)

	Basement
		A large rock unit unconformably underlying cover rocks of contrasting tectonic style and with generally less intense or no metamorphism and deformation.
		Harder and usually older igneous and metamorphic rocks that underlie the main sedimentary rock sequences (softer and usually younger) of a region and extend downward to the base of the crust.
		You are in the clouds, and we are in the basement.
	www.websters-online-dictionary.com /definition/english/ba/basement.html (1926 words)

	A Glossary to the Formation of the Adirondack Mountains
		Said of a rock unit that is intermediate in tectonic character between autochthon and allocthon.
		The rocks of this region, and of the Early Precambrian as a whole, are generally granite, schist, or gneiss.
		Sedimentary rocks are formed at or near the earth's surface by the accumulation of particles in size varying from submicroscopic to boulder size.
	www.adirondackjourney.com /Glossary.htm (1728 words)

	Hot Rock Energy (Site not responding. Last check: 2007-10-26)
		Deep hot rock exploration wells should therefore have a much higher success rate, compared with the ~5% success rate typical of wildcat petroleum exploration wells, and the ~10% rate typical of drilling for traditional wet geothermal exploration (where natural steam and hot water are the targets).
		The type of power plant required for a hot rock energy power station is identical to some of those used in the conventional geothermal energy industry.
		Apart from the power plant, the most significant capital cost in producing hot rock energy is that of drilling and well completion, which is related to well depth and rock hardness.
	hotrock.anu.edu.au /economics.htm (1137 words)

	mr33a-0146 in fm05
		Rock physics studies using well and core data to explore rock properties of fractured vs. unfractured basement rock.
		While the rock physics modeling might suggest that fractures are associated with anomalies in amplitude or impedance, we must remember that other non-fracture heterogeneities in the earth might also be the source of these anomalies.
		Electrokinetic potentials are generated when fluids flow through rock, and although they are increasingly being used in other areas of earth science to monitor subsurface flows, there has been little investigation of their utility in hydrocarbon reservoirs.
	www.agu.org /cgi-bin/SFgate/SFgate?&listenv=table&multiple=1&range=1&directget=1&application=fm05&database=/data/epubs/wais/indexes/fm05/fm05&maxhits=200&="MR33A-0146" (10123 words)

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