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Topic: Geology of the Grand Canyon area

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	Geology of the Grand Canyon area - Wikipedia, the free encyclopedia
		The geology of the Grand Canyon area exposes one of the most complete sequences of rock anywhere, representing a period of 1.4 billion years of the Earth's history in that part of North America.
		Eventually, a region of Laurentia from at least present-day Lake Superior to Glacier National Park in Montana to the Grand Canyon and the Uinta Mountains was invaded by a shallow seaway.
		It is a soft, deep red shale and mudstone slope-former in the canyon that is 160 to 175 feet (49 to 53 m) thick.
	en.wikipedia.org /wiki/Geology_of_the_Grand_Canyon_area (4800 words)

	Grand Canyon - Wikipedia, the free encyclopedia
		The canyon, created by the Colorado River cutting a channel over millions of years, is about 277 miles (446 km) long, ranges in width from 0.25 to 18 miles (0.5 to 29 kilometers) and attains a depth of more than a mile (1,600 m).
		The Colorado River basin (of which the Grand Canyon is a part) has developed in the past 40 million years and the Grand Canyon itself is probably less than five to six million years old (with most of the downcutting occurring in the last two million years).
		Glen Canyon lies to the North and East of Grand Canyon on the Arizona/Utah Border.
	en.wikipedia.org /wiki/Grand_Canyon (1848 words)

	Cyprus holiday villas - Travel Articles The Grand Canyon
		The Grand Canyon is a colorful, steep-sided gorge, carved by the Colorado River, in northern Arizona.
		The canyon is one of the seven natural wonders of the world and is largely contained in the Grand Canyon National Park - one of the first national parks in the United States.
		The United States government made the Grand Canyon a national park in 1919.James Ohio Pattie, with a group of American trappers and mountain men were probably the next Europeans to reach the Canyon in 1826, although there is little in terms of documentation to support this.
	www.rentcyprus.co.uk /wikipedia/grandcanyon.htm (1567 words)

	NationMaster.com - Encyclopedia: Geology of the Grand Canyon area (Site not responding. Last check: 2007-11-06)
		Colorado River in the Grand Canyon from Desert View The Colorado River is a river in the southwestern United States and northwestern Mexico, approximately 1,450 mi (2,333 km) long, draining a part of the arid regions on the western slope of the Rocky Mountains.
		Marble Canyon is the section of the Colorado River canyon from Glen Canyon Dam to the confluence with the Little Colorado River, which marks the beginning of the Grand Canyon.
		Geology (from Greek γη- (ge-, "the earth") and λογο&sigmaf; (logos, "word", "reason")) is the science and study of the Earth, its composition, structure, physical properties, history, and the processes that shape it.
	www.nationmaster.com /encyclopedia/Geology-of-the-Grand-Canyon-area (10242 words)

	Geology (Site not responding. Last check: 2007-11-06)
		Geology (from Greek γη- (ge- "the earth") and λογο&sigmaf; (logos "word" "reason")) is the science and study of the earth its make-up structure physical properties history the processes that shape it.
		Geology is also sometimes used about similar of other bodies of the solar system.
		Subdisciplines within geology proper include structural geology sedimentology and stratigraphy mineralogy (study of minerals) petrology (study of rocks) geomorphology (study of landforms) seismology (also a field in geophysics) and volcanology (the study of volcanoes).
	www.freeglossary.com /Geology (873 words)

	YEC Nonsense on the Grand Canyon
		In the case of what is observed in the Grand Canyon, though, with respect to what YECs advocate this would not only have to have taken place at least once but actually a number of times (sedimentation, lithification, erosion of lithified stratum, then sedimentation again), all within one year.
		First, it is geology we're dealing with, not "evolutionary theory." Second, and this one is rather bizarre, Buff here challenges me for pointing out the obvious: The geologic strata were laid down first and then the Grand Canyon was eroded into these strata.
		the fine-grained sand, shale, or limestone in the Grand Canyon,
	www.geocities.com /Athens/Thebes/7755/archgrandcanyon.html (12990 words)

	NPS: Nature & Science» Geology Resources Division (Site not responding. Last check: 2007-11-06)
		Grand Canyon attracts the attention of the world for many reasons, but perhaps its greatest significance lies in the geologic record that is so beautifully preserved and exposed here.
		Grand Canyon is in the northwest corner of Arizona, close to the borders of Utah and Nevada.
		Grand Canyon is unmatched throughout the world in the incomparable vistas it offers to visitors on the rim.
	www2.nature.nps.gov /geology/parks/grca (2994 words)

	The Geology of the Grand Canyon
		Other forces that contributed to the Canyon's formation are the course of the Colorado River itself, vulcanism, continental drift and slight variations in the earths orbit which in turn causes variations in seasons and climate.
		The Kaibab Limestone which is the current top of the Grand Canyon is composed mostly of a sandy limestone, with some sandstone and shale thrown in for good measure.
		The area from Bryce Canyon down to Grand Canyon is typically referred to as the Grand Staircase.
	www.kaibab.org /geology/gc_geol.htm (3443 words)

	Compare Prices and Read Reviews on Grand Canyon Geology at Epinions.com (Site not responding. Last check: 2007-11-06)
		However, in general, Geology is probably one of the most accessible sciences for the general public (once you get past the nomenclature and a few esoteric ideas) because it generally is the study of what you see right in front of you.
		The entire area was uplifted a little more than a ½ a mile (within the last 15 million years) and before that, the ancestral Colorado actually ran to the northeast.
		They don’t claim that the Grand Canyon exposes one of the largest swaths of Earth’s history for nothing, within the walls of the canyon, almost 2 billion years of geologic history is exposed.
	www.epinions.com /content_118893350532 (1156 words)

	Geology and Geography of the Grand Canyon!!
		Bob Keller's Grand Hikes discusses the geology and paleontology to be encountered and enjoyed by rockhound oriented visitors and hikers at Grand Canyon.
		The Grand Canyon lies in the southwestern portion of the Colorado Plateau, which is a large area of the southwestern United States consisting essentially of horizontal, layered rocks and lava flows.
		It is not the deepest canyon in the world (both the Barranca del Cobre in northern Mexico and Hell's Canyon in Idaho are deeper, just to name two), but the Grand Canyon is known throughout the world for its overwhelming size and its intricate and colorful landscape.
	www.grandcanyontreks.org /geology.htm (833 words)

	A Critique of ICR's Grand Canyon Dating Project
		The canyon must be younger than the rock layers that it cuts into.
		The mantle is the source of much of the sampled flows' material, and Austin's sampling technique matches the technique one would use to obtain a minimum for the age of the flows' source.
		All the ICR's Grand Canyon Dating Project shows is that a sample selection geared to yield the age of the flows' source...
	www.talkorigins.org /faqs/icr-science.html (2344 words)

	Colorado River / Grand Canyon Photos: Marble Canyon
		The known history of the Grand Canyon area stretches back 10,500 years when the first evidence for human presence in the area started.
		In 1901 the Grand Canyon Railway was opened from Williams, Arizona, to the South Rim, and the development of formal tourist facilities, especially at Grand Canyon Village, increased dramatically.
		Current archaeological evidence suggests that humans have inhabited the Grand Canyon area as far back as 4,000 years and at least were passers through for 6,500 years before that.
	www.mongabay.com /grandcan_0616_canyon1.htm (694 words)

	Maps of Grand Canyon National Park
		The Grand Canyon of the Colorado River in northwestern Arizona is one of the earth's greatest natural wonders.
		It is evident that most of the early explorers who traveled throughout the American Southwest avoided the area around the Grand Canyon, because the rugged terrain in the region and the great difficulty of crossing the canyon provided physical barriers to exploration and the establishment of trails and roads.
		Rand McNally's extensive earlier work on the canyon enabled it to publish a map of Grand Canyon National Park and its boundaries the year that the park was established.
	memory.loc.gov /ammem/gmdhtml/nphtml/gchome.html (2704 words)

	A Brief History of the Geology of the Grand Gulch Area
		Grand Gulch drains most of the west side of Cedar Mesa which is a portion of a much larger anticline called the Monument Upwarp.
		As White Canyon was carved down into the sandstone, it developed bends, or meanders.
		The area is very stable seismically, but the constant, patient actions of erosion - ice, water, wind, plant life - are at work wearing the scenery away.
	bcn.boulder.co.us /environment/cacv/cacvgeol.htm (832 words)

	TWD -- Creationism and the Grand Canyon: Introduction
		Third, I was specifically interested in seeing the geology of the Grand Canyon, because I'm an amateur geologist and the Grand Canyon is a mecca for geologists of all types.
		The whole Grand Canyon is an immense symbol of the depth and vastness of geologic time.
		So these creationists are forced to try to explain the Canyon in terms of their "Flood" geology: that the layers of rock were laid down by the Flood, and the Canyon itself was created during the run-off phase of the Flood.
	www.jwoolfden.com /gc_intro.html (731 words)

	GRAND CANYON EXPLORER (low res) (Site not responding. Last check: 2007-11-06)
		The Grand Canyon has claimed the life of Ray Mansfield, all star center of the Pittsburgh Steelers.
		California Condors to be released in an area north of the Grand Canyon near the Vermillion Cliffs
		The server used for the Grand Canyon pages, along with the network bandwidth and the megabytes of disk storage required, are graciously supplied free-of-charge as a public service by the wonderful people at InfoMagic.
	www.kaibab.org /gc_home6.htm (482 words)

	Share and Discover Grand Canyon Bio, Pictures, News at BlinkBits. (Site not responding. Last check: 2007-11-06)
		The Grand Canyon is a colorful, steep-sided gorge, carved by the Colorado River, in northern Arizona, USA.
		It is largely contained within the Grand Canyon National Park andmdash; one of the first national parks in the United States.
		The Grand Canyon is a very deep - in places even a mile deep - 277 mile (446 km) long cut in the Colorado Plateaus that exposes uplifted Proterozoic and Paleozoic strata.
	www.blinkbits.com /blinks/grand_canyon (2132 words)

	edu-source.com Identifying Southwest Landforms in the Grand Canyon Area and Local Climate (Site not responding. Last check: 2007-11-06)
		Hence, the Grand Canyon is always becoming a little wider all the time.
		Not often seen in the Grand Canyon is a land form called an arch.
		Monument Valley to the east of Grand Canyon is famous for its eroded Buttes
	www.edu-source.com /GCpages/CVOpage7.html (589 words)

	Grand Staircase-Escalante National Monument (Site not responding. Last check: 2007-11-06)
		The Grand Staircase-Escalante National Monument's vast and austere landscape embraces a spectacular array of scientific and historic resources.
		This high, rugged, and remote region, where bold plateaus and multi-hued cliffs run for distances that defy human perspective, was the last place in the continental United States to be mapped.
		Even today, this unspoiled natural area remains a frontier, a quality that greatly enhances the monument's value for scientific study.
	www.ut.blm.gov /monument (128 words)

	[No title]
		It was designed to be used in open areas and to attack unshielded infantry.
		For at least 10,000 years, the area that would become Canada was the site of intertribal wars among First Nation groups.
		Beginning in the 10th century, the arrival of Europeans led to conflicts with the Natives and among the invading Europeans in the New World.
	mail.wikipedia.org /pipermail/daily-article-l/2005-November.txt (7015 words)

	Bryce Canyon National Park: Nature & Geology - Geology (Site not responding. Last check: 2007-11-06)
		The problem is that in most places in the world, the book has been severely damaged by the rise and fall of mountains, the scouring of glaciers, etc. Usually these chapters are completely disarticulated from each other and often whole pages are just missing.
		Yet the Grand Staircase and the lower cliffs that comprise the Grand Canyon remain largely intact speaking to over 600 million years of continuous Earth history with only a few paragraphs missing here and there.
		Unfortunately, the Grand Staircase is such a vast region of rock that no matter where you stand on its expanse, most of it will be hidden behind the curvature of Earth.
	www.nps.gov /brca/geology_grand.html (356 words)

	Flagstaff Area Information - Arizona, near the Grand Canyon, Inn at 410 Bed and Breakfast
		Stop for lunch in the Grand Canyon village - the dining room of the El Tovar is recommended.
		A world class institution with collections, research and exhibits on the archaeology, geology, natural history and Indian cultures of the 4 corners region.
		One of the first structures in town with electricity and indoor plumbing, it was a grand house for its day.
	www.inn410.com /area_info.htm (1288 words)

	Grand Canyon - Free net encyclopedia (Site not responding. Last check: 2007-11-06)
		The first scientific expedition to the canyon was led by U.S. Major John Wesley Powell in the late 1870s.
		To obtain a temporary parking permit for designated parking, inquire at the Entrance Gate, Canyon View Center, or Yavapai Observtion Station.
		Even hiking along the rim must be done with care in spots, and there are frequent warning signs posted along rim trails.
	www.netipedia.com /index.php/Grand_Canyon (1890 words)

	Geology of Yellowstone National Park
		The spectacular Grand Canyon of the Yellowstone River provides a glimpse of Earth's interior: its waterfalls highlight the boundaries of lava flows and thermal areas.
		This area is closed to human travel, to offer the bears refuge.
		The canyon's colors were created by hot water acting on volcanic rock.
	www.yellowstone.net /geology.htm (1884 words)

	Geology & Geology of the Grand Staircase-Escalante area (Site not responding. Last check: 2007-11-06)
		The Geology in the Grand Staircase Escalante Area is outstanding.
		Here are a few direct links to more Geology Information from the Utah Geological Survey:
		Geology and scenery of the central Wasatch Range, Salt Lake and Summit Counties; road log (pdf) (Public Information Series #9)
	www.escalanteoutfitters.com /geology.html (283 words)

	Discover the best grand, grand auto sites on Blinklist (Site not responding. Last check: 2007-11-06)
		Skim what’s new related to canyon geology grand national park
		filed under canyon, geology, grand, National, park by scinerd Apr 22, 2006
		filed under geology, of, the, grand, canyon, area by scinerd Apr 22, 2006
	www.blinklist.com /tag/grand (472 words)

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