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Topic: Vesicle (geology)

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	vesicle - OneLook Dictionary Search
		Vesicle : Tutorial in Dermatologic Pathology [home, info]
		Vesicle : Drug Discovery and Development [home, info]
		Phrases that include vesicle: seminal vesicle, germinal vesicle, optic vesicle, umbilical vesicle, air vesicle, more...
	www.onelook.com /?w=vesicle&ls=a (261 words)

	STRUCTURAL GEOLOGY (Site not responding. Last check: 2007-10-26)
		Large vesicles and other open voids in brecciated or highly vesicular portions of Units 3 and 4 are commonly filled or partly filled with well indurated, laminated siliceous mudstone (see "Alteration and Weathering").
		The orientations of both mesostasis segregations and vesicle trails are consistent throughout the lava pile.
		Although some evidence, from the gentle dip of the vesicle trails, the mesostasis segregations, and the included, indurated laminated sediments, suggests slight rotation of the lava flows, the subhorizontal bedding in the intercalated volcaniclastic sediments indicates negligible tectonic tilting.
	www.ga.gov.au /odp/publications/183_IR/chap_05/c5_8.htm (1267 words)

	Vesicle Definition / Vesicle Research (Site not responding. Last check: 2007-10-26)
		[click for more], a vesicle is a relatively small and enclosed compartment, separated from the cytosolThe cytosol (as opposed to cytoplasm, which additionally includes the organelles) is the internal fluid of the cell, and a large part of cell metabolism occurs here.
		Vesicles store, transport, or digestDigestion is the process whereby a biological entity processes a substance, in order to chemically convert the substance into nutrients.
		vesicle is a relatively small and enclosed compartment, separated from the cytosol by at least one lipid bilayer.
	www.elresearch.com /Vesicle (292 words)

	Geology of Nova Scotia: A My Nova Scotia Website
		The larger crystals (phenocrysts) form at higher temperatures and form slowly, however something changes and the magma solidifies rapidly after the initial phenocrysts are formed, this creates a matrix of finer crystals encompassing the larger phenocrysts.
		Vesicles are air/gas bubbles within the magma when it solidifies.
		Typically vesicle infilling, the vesicle edges are "soft" and irregular, whereas a phenocryst edges tend top be sharp and straight with respect to the ground mass.
	geology.mynovascotia.net /igneous-textures.asp (498 words)

	Timing of Colorado Plateau uplift: Initial constraints from vesicular basalt-derived paleoelevations -- Sahagian et al. ...
		Geology, December 1, 2004; 32(12): 1017 - 1020.
		Geology, February 1, 2003; 31(2): 192 - 192.
		Geology, February 1, 2003; 31(2): 191 - 191.
	geology.geoscienceworld.org /cgi/content/abstract/30/9/807 (445 words)

	Silurian phytoplankton of the type Ludlow area
		Wall of vesicle single–layered, up to 1.5 µm thick (average 0.7 µm); almost smooth to faintly granulate or scabrate under light microscope; microgranulate, granulate, microgranulate to micropunctate, microrugulate, or microreticulate under scanning electron microscope.
		"Vesicle thin-walled, laevigate to faintly scabrate under transmitted light, with a tetrahedral, rectangular, square, polygonal or spherical outline.
		With a SEM, the vesicle surface appears laevigate, granulate, microfoveolate, micropunctate or granoreticulate.
	www.le.ac.uk /geology/glm2/d_remota.html (668 words)

	The Harvard Classics Volume 38 — Scientific Papers (Physiology, Medicine, Surgery, Geology) by Various eBook by ...
		Henry Hicks, of Eastington, in this county, to inoculate two of his children, and at the same time some of his servants and the people employed in his manufactory, matter was taken from the arm of this boy for the purpose.
		They all took the infection, and either on the fifth or sixth day a vesicle was perceptible on the punctured part.
		Their illness, as in the former cases described, was of short duration, and not sufficient to interrupt, but at very short intervals, the children from their amusements, or the servants and manufacturers from following their ordinary business.
	www.bookrags.com /ebooks/5694/150.html (490 words)

	Seminal vesicle (Site not responding. Last check: 2007-10-26)
		The seminal vesicles are a pair of glands on the posterior surface of the urinary bladder of males.
		Seminal vesicle secretions contain proteins, enzymes, fructose, phosphorylcholine and prostaglandins.
		The two seminal vesicles empty into the urethra near the prostate gland along with the vas deferens (the tubes coming from the testes).
	www.kiwipedia.com /seminal-vesicles.html (89 words)

	Faculty of Science - Courses in the Department of Geosciences
		The objective of the course is to give students an introduction to engineering geology, properties of soil and rock, testing methods and field investigations as applied for construction of earth structures.
		Geology and hydrology of geothermal systems, thermal gradient, hydrothermal alteration, geothermal fluid compositions, drillings.
		The role of geology, geophysics, geochemistry, and hydrology in developing, exploiting and monitoring of exploited geothermal systems.
	www.hi.is /prog/catalogue/geo.html (6778 words)

	Mars Exploration Rovers: One Martian Year of in Situ Planetary Geology II - Planetary Sciences [P]
		Apparent vesicularity (ratio of summed vesicle volume from area over rock unit volume) of rocks in the plains lava surface varied with host rock dimension and angularity.
		Vesicle distributions in the smaller clasts in the Gusev plains tend to be exponential, typical of upper sections, whereas, dis-tributions in larger, more angular Gusev plains blocks are characterized by hybrid distri-butions, typical of flow interiors.
		Since small vesicular clasts are a small fraction of the observed clast population, it is inferred that the upper vesicular zones within the Gusev plains lava flows were rela-tively thin (low vesicularity at shallow depths) compared with that predicted for lava flows on Earth.
	www.agu.org /meetings/fm05/fm05-sessions/fm05_P12A.html (3244 words)

	Search Results for "Vesicle"
		...In reptiles, birds, and many mammals the allantois becomes expanded into a vesicle which projects into the extra-embryonic celom.
		...An artificial microscopic vesicle consisting of an aqueous core enclosed in one or more phospholipid layers, used to convey vaccines, drugs, enzymes, or other substances...
		...A membrane-bound vesicle found in a cell by an inward folding of the cell membrane to hold foreign matter taken into the cell by phagocytosis....
	bartleby.com /cgi-bin/texis/webinator/sitesearch?FILTER=&query=Vesicle (293 words)

	Internal Sand (Site not responding. Last check: 2007-10-26)
		Originally I thought the lava rock had formed full of holes and that the sand was later deposited in these "holes." But after taking a core sample from the middle of the rock, and some other experiments involving water, I was able to conclude that the rock didn't form that way.
		There was a vesicle on one side that was about an inch deep and exactly the same diameter as the copper tubing.
		I think this little rock proves that all of the sandy material inside the vesicles of this rock has been there since the lava encased it.
	www.marslife.com /marsmeteorite/intsand.html (951 words)

	Reasons To Believe: Facts For Faith Issue 10, 2002
		Formation of single-bilayer vesicles occurs only at a specific temperature called the critical temperature.
		Charles L. Apel et al., “Self-Assembled Vesicles of Monocarboxylic Acids and Alcohols: Conditions for Stability and for the Encapsulation of Biopolymers,” Biochimica et Biophysica Acta (2001), in press.
		Katherine L. Moulton and Robert A. Berner, “Quantification of the Effect of Plants on Weathering: Studies in Iceland,” Geology 26 (Oct. 1998): 895-98.
	www.reasons.org /resources/fff/2002issue10 (15320 words)

	PUBLICATIONS (Site not responding. Last check: 2007-10-26)
		P.G. Burnard and G. Turner, Using He-Ar-CO2 compositions in individual fluid inclusions and vesicles to trace volatile behavior in basaltic magmas., in: The History of Degassing of the Earth, B.J. Wood, ed., Bristol, 1996.
		Burnard, F. Stuart, L. Ayliffe and G. Turner, Noble gas isotopic and elemental abundances in inclusion and vesicle trapped fluids; a combined laser and crushing approach, Seventh meeting of the European Union of Geosciences 5, Suppl.
		Burnard, F. Stuart, L. Ayliffe and G. Turner, Noble gas isotopic and elemental abundances in inclusion and vesicle trapped fluids; method, Seventh meeting of the European Union of Geosciences 5, Suppl.
	www.gps.caltech.edu /~peteb/pgbrefs.htm (1334 words)

	Geology of Sunset Crater National Monument
		Take a closer look at a monster vesicle
		The surface of this vesicle has broken so that you can see through to the other side.
		While lava is still very hot and fluid, gas bubbles form and work their way toward the lava surface.
	wrgis.wr.usgs.gov /parks/sunset/sunsetft1b.html (262 words)

	SEGREGATION STRUCTURES IN DIKTYTAXITIC BASALT FLOWS OF NE OREGON
		The lava flows host segregation structures such as vesicle cylinders and pods that are assumed associated with emplacement of inflated vapor-rich lavas.
		There is an unexpected consistency in texture, modal proportion of phases and degree of olivine alteration between the matrix and vesicle cylinder in the Imnaha basalt.
		While both units are considered enriched in water vapor, as shown by the diktytaxitic texture and the presence of segregation structures, they took different paths of post-emplacement differentiation, as noted by the mineralogy of the segregation structures.
	gsa.confex.com /gsa/2002CD/finalprogram/abstract_35119.htm (502 words)

	gel208bib5.html
		Carson RJ and Pogue KR (1996), Flood basalts and glacier floods: roadside geology of parts of Walla Walla, Franklin and Columbia Counties, Washington; Wash. Div.
		Carson RJ, Tolan TL and Reidel SP (1987), Geology of the Vantage area, south-central Washington; Geol.
		Vertical pipes filled with vesicles can be found at the top of the Museum Flow at the Vantage Interpretive Center and elsewhere; Fraser explains their origin.
	www.seattlecentral.org /faculty/jhull/gel208bib5.html (901 words)

	Silurian phytoplankton of the type Ludlow area
		"Vesicle hollow, subspherical to elongate polygonal; vesicle wall unilayered, thin; numerous slender, solid, flexuous processes about 40% of vesicle diameter in length; distally the processes most often taper to a point but occasionally branch.
		A dense arrangement of solid, wiry, flexuous processes, with slightly expanded bases, covers the vesicle surface.
		Vesicle width = 25.8 x 24.4 µm, Process length = 4.8–8 µm, Diameter of the process bases = 0.3–1 µm.
	www.le.ac.uk /geology/glm2/c_williereae.html (603 words)

	eBay Store - COPPER COUNTRY COLLECTIBLES: Copper Country Geology (Site not responding. Last check: 2007-10-26)
		In 1972, by act of the Michigan Legislature, "chlorastrolite" became Michigan's official state gemstone, under the name of "Greenstone".
		The Greenstone occurs locally as vesicle fillings in the Keweenaw basalts and in the "poor rock" piles of the Copper Country.
		It is liberated by weathering and worn smooth by the wave action on the beaches of Isle Royale and the Keweenaw Peninsula (Dietrich, 1983).
	stores.ebay.com /COPPER-COUNTRY-COLLECTIBLES/Copper-Country-Geology.html (836 words)

	UTCT -UTEXAS
		Meteorite research at UTCT has involved gathering quantitative measurements from volumetric data, such as vesicle size distributions, impact breccia clast identification and measurement, and degree of metal-melt segregation.
		In one example, more than 32,000 vesicles were analyzed in the Ibitira vesicular basalt meteorite (top left) to help infer the asteroidal conditions under which they formed.
		CT investigations of ore samples include examining grain-scale relationships between gold and associated ore minerals, evaluating the relationship between structural features and gold deposition and fluid inclusion investigations.
	www.ctlab.geo.utexas.edu /geo (369 words)

	Lab Alumni
		Prof., Dept. of Geology, University of Western Ontario, London, Ontario.
		Characterization of graduated in DNA-containing membrane vesicles of Pseudomonas aeruginosa PAO1 and their transformation potential.
		Now, Professor, Dept. of Geology and Associate Dean of Graduate Studies, University of Toronto, Toronto, ON.
	www.uoguelph.ca /~plau/tjblab/alumni.htm (971 words)

	VARIATIONS IN INITIAL VESICULARITY OF LATE CENOZOIC BASALTS (Site not responding. Last check: 2007-10-26)
		Initial vesicularity (the ratio of the volume of gas bubbles to the volume of dense lava equivalent) at a given level within a lava flow is a function of the gas law.
		Variations in vesicle dimensions within a lava flow are a function of initial lava flow volatile retention, pressure at the crust-melt interface, and rate of solidification (time available for bubble coalescence).
		It is suggested that de-volatilization at fire fountains is the principal control on lava initial vesicularity.
	gsa.confex.com /gsa/2001RM/finalprogram/abstract_5940.htm (225 words)

	vesicle definition - Dictionary - MSN Encarta
		Click here to search all of MSN Encarta
		Search for "vesicle" in all of MSN Encarta
		geology spherical cavity within rock: a bubble-shaped cavity in an igneous rock, formed by the expansion of gases trapped in lava and often later filled with minerals deposited from percolating solutions
	ca.encarta.msn.com /dictionary_1861733942/vesicle.html (136 words)

	REFERENCES
		Vesicle zonation and vertical structure of basalt flows.
		Reevaluation of vesicle distributions in basaltic lava flows.
		Cooling and crystallization of lava in open channels, and the transition of Pahoehoe lava to a'a.
	www-odp.tamu.edu /publications/183_SR/012/012_8.htm (240 words)

	NMBGMR Rockin' New Mexico
		These are not little crystals—this is a clue that this is near the top of the lava flow.
		These vesicles reacted with acid, indicating they are carbonates.
		They are air bubbles which in-filled with material that was deposited later than the lava flow.
	geoinfo.nmt.edu /education/rockin/2005/g2/data.html (300 words)

	STRUCTURAL GEOLOGY (Site not responding. Last check: 2007-10-26)
		We also recorded the orientation of primary internal structures such as vesicle sheets coalesced into veins and wispy streaks of clay minerals replacing mesostasis.
		These features included vesicle sheets, wispy sheets of mesostasis defining a subtle foliation in the lava, and flattened vesicles.
		These features commonly develop with a subhorizontal, planar orientation because of flow of magma beneath a solidified upper crust.
	www.ga.gov.au /odp/publications/183_IR/chap_04/c4_8.htm (568 words)

	Geology Station 1
		On some of the early missions, the geology tasks were spelled out in considerable detail; but it was soon realized that such decisions were better made in real time by the geologists in the Backroom, with input from the crew.
		The first time I've noticed any of the dark minerals was when we took that one big, flat chip off that boulder.
		Evidently, the geology team in Houston decided that the boulder was not of sufficient interest to call it to the crew's attention.
	www.hq.nasa.gov /alsj/a17/a17.sta1.html (6747 words)

	vesicle (Site not responding. Last check: 2007-10-26)
		Scanning electron micrograph of pumiceous ash collected in Denver, from the Mt. St.
		Vesicles in volcanic rocks represent bubbles in magmas that formed during eruption.
		Last modified November 08, 2002 by C. Johnson
	www.geology.wisc.edu /~g111/Terms/vesicle/vesicle.htm (61 words)

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