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Topic: Ouachita Mountains


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In the News (Tue 17 Nov 09)

  
  Ouachita System
Of this thousand-mile trend, only the 200 miles of the Ouachita Mountains on its northern flank, the Marathon Uplift (MU on the map) east of Alpine, Texas, and the small window of the Solitario near Presidio are exposed at the surface, giving little hint of the size of the system.
The Ouachita System would still be a mystery were it not for the many wells drilled for petroleum (and some for water) that sampled its rocks, whose cuttings could be examined, and which could be cored to bring samples to the surface.
The Silurian is represented by the Blaylock sandstone and the Missouri Mountain slate and chert.
www.du.edu /~jcalvert/geol/ouach.htm   (1889 words)

  
  Ouachita Mountains -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-21)
The Ouachita Mountains are a mountain range located in (A state in south central United States; one of the Confederate states during the American Civil War) Arkansas and (A state in south central United States) Oklahoma.
The Ouachita (pronounced "wah-shi-tah") Mountains are fold mountains like the (A mountain range in the eastern United States extending from Quebec to the Gulf of Mexico; a historic barrier to early westward expansion of the United States) Appalachian Mountains to the east.
Also, Ouachitas are distinctive in that (The phenomena associated with volcanic activity) volcanism, (Change in the structure of rock by natural agencies such as pressure or heat of introduction of new chemical substances) metamorphism, and (Entrance by force or without permission or welcome) intrusions are notably absent throughout most of the system.
www.absoluteastronomy.com /encyclopedia/o/ou/ouachita_mountains.htm   (483 words)

  
 Ouachita Mountains   (Site not responding. Last check: 2007-10-21)
The Ouachita Mountains are a mountain range located in Arkansas and central Texas.
At one time the Ouachita Mountains were very similar to the Rocky Mountains, but due to their age, the craggy tops have eroded away leaving the low formations that used to be the heart of the mountains.
The Ouachita Mountains contain the Ozark National Forest and Hot Springs National Park as well as numerous state parks and scenic byways.
www.bidprobe.com /en/wikipedia/o/ou/ouachita_mountains.html   (207 words)

  
 Encyclopedia: Ouachita Mountains
The Ouachita Mountains are a mountain range located in west central Arkansas and east central Oklahoma.
At one time the Ouachita Mountains were very similar in height to the current elevations of the Rocky Mountains.
Due to the Ouachitas' age, the craggy tops have eroded away leaving the low formations that used to be the heart of the mountains.
www.nationmaster.com /encyclopedia/Ouachita-Mountains   (2216 words)

  
 Automated IFSAR Terrain Analysis System - Leighty and Assoc., Inc.
The Boston Mountains Section of the Ozark Plateaus Province is in the area of 'C' and the Mississippi Embayment Section of the Atlantic Coastal Plain is to the south and east at 'D'.
The Arkansas Valley Section is structurally a synclinorium (i.e., a composite synclinal structure of regional extent composed of lesser folds) and the Ouachita Mountains Section is an anticlinorium (i.e., a composite anticlinal structure synclinorium of regional extent composed of lesser folds).
Novaculite is a metamorphosed chert native to the Ouachita Mountains.
www.tec.army.mil /publications/ifsar/lafinal08_01/five/5.1.4.htm   (3025 words)

  
 GO 568 Ouachita Mountains
The Ouachitas are surficial mountains in parts of Arkansas and Oklahoma, and Ouachita structures are exposed in the Marathon Basin of West Texas.
Donovan, R.N. and Heimlen, W.D. Pennsylvanian conglomerates in the Arbuckle Mountains, southern Oklahoma.
Fay, R.O. I-35 roadcuts; Geology of Paleozoic strata in the Arbuckle Mountains of southern Oklahoma.
academic.emporia.edu /aberjame/struc_geo/ouachita/ouachita.htm   (1257 words)

  
 Halcyon Days: Launch
Lake Ouachita is one of the clearest water lakes in the country.
The Ouachita Mountains are composed of long, linear east-west ridges of sandstone, chert and limestone.
The uplifted Ouachita Mountains are a melange of low-angle faults, intensely folded sediment, and interlayered sub-oceanic volcanic ash deposits.
www.geocities.com /bill_fiero/lkouachita.htm   (751 words)

  
 Ouachita - Search Results - MSN Encarta
Ouachita, river, south central United States, rising in the Ouachita Mountains, western Arkansas, and flowing southeast into Louisiana.
Ouachita Mountains, mountain range, south central United States, a southern continuation of the Ozark Plateau, extending about 320 km (about 200 mi)...
Another spur to growth at the close of the 20th century was tourism.
encarta.msn.com /Ouachita.html   (104 words)

  
 ouachita
Lake Ouachita (wash'i*taw), a manmade lake formed in 1953, stretches westward from Blakely Mountain Dam to the headwaters of the Ouachita River.
Located inside the Ouachita National Forest where there are no private homes, the lake features approximately 975 miles of rugged shoreline and has over 200 islands which makes this an ideal spot for vacationing.
One area of the lake houses one of the largest quartz crystal veins in the world, and due to the clarity of the water this is a freshwater divers paradise providing a home for non-stinging jellyfish, sponge, and freshwater shrimp which are found in only a few of the cleanest lakes in the world.
www.hillslake.com /ouachita.htm   (414 words)

  
 Arkansas Geography - NETSTATE
Arkansas Valley: Separating the Ozark Plateau to the north and the Ouachita Mountains to the south is the Arkansas Valley.
Ouachita Mountains: One of two major ranges in the United State that runs east to west, the Ouachita Mountains consist of parallel ridges and valleys that run from eastern Oklahoma to central Arkansas.
The Ouachita Mountains are known for mineral and timber resources and for their hot springs.
www.netstate.com /states/geography/ar_geography.htm   (897 words)

  
 ouachita-marathon
Thick sedimentary sequences of Morrowan age in the Ouachita region provide evidence of the northward thrusting of the Ouachita belt, and by late Morrowan time, the Anadarko basin and the Criner Hills had undergone significant deformation.
During the Atokan age, the Ouachita depocenter moved to the north, and deformation reached its highest intensity along the eastern margin of the Nemaha uplift and other structures in Kansas.
The Ancestral Rocky Mountains of Colorado, New Mexico, and Utah reached their maximum structural relief during Des Moinesian time, with the Colorado trough subsiding to form a deep, narrow depocenter between the Uncompahgre and Frontrange uplifts.
www.colorado.edu /GeolSci/Resources/WUSTectonics/AncestralRockies/ouachita.html   (1141 words)

  
 Ouachita Mountain Outdoor Adventures in Arkansas and Oklahoma.
Rugged Mountain Trails for Mountain Biking and Hiking, Scenic Bluffs for Hang Gliding and Paragliding, Pristine Rivers Lakes and Creeks for Canoeing and Kayaking, and Rocky Cliffs for Rock Climbing and Rappelling and Sailing.
Within the Ouachita Mountains are many state Parks, National Forest Recreation areas, Scenic Byways, and private lodging and camping facilities.
Whether you seek a leisure float or a white water adventure, the rivers and creeks of the Ouachita Mountains in Arkansas and Oklahoma are sure to provide an adventure to please all paddlers.
www.ouachita-outdoor.com   (354 words)

  
 HA 730-F Minor aquifers text
The Ouachita Mountains aquifer consists mostly of shale, sandstone, and chert beds of Cambrian to Pennsylvanian age (fig.
The Ouachita Mountains are topographically characterized by alternating mountains and intermontane valleys to the north and a southernmost piedmont area.
Wells in the Ouachita Mountain aquifers should be drilled along the flanks of anticlines or near a plunging anticlinal nose (fig.
capp.water.usgs.gov /gwa/ch_f/F-text7.html   (2065 words)

  
 Guide To The Ouachita National Forest
Stretching from near the center of Arkansas to southeast Oklahoma, the Ouachita Mountains are generously endowed with a multitude of recreational opportunities.
One of the most popular is the Ouachita National Recreation Trail, which traverses 192 miles across the rugged, scenic peaks of the Ouachita Mountains.
The variety of enjoyable experiences provided by the assortment of rivers on the Ouachita is remarkably wide, ranging from unmatched trout streams to rugged whitewater rivers, to peaceful passages ideal for first-time floaters.
www.hotspringsar.com /info/forest/forest.htm   (1616 words)

  
 The Caddo Map Tool, Environment - The Ouachita Mountains
Autumn in the Ouachita Mountains of southwestern Arkansas.
The Ouachita Mountains in southwestern Arkansas and southeastern Oklahoma are the most rugged part of the Caddo Homeland.
The Ouachita River valley runs through the central Ouachita Mountains and provides relatively wide floodplains; not surprisingly, the valley was favored by the ancient Caddo for farming and settlement.
www.texasbeyondhistory.net /tejas/map/i1.htm   (450 words)

  
 ALONG-STRIKE VARIATION IN STRUCTURAL STYLES ACROSS THE OUACHITA MOUNTAINS: EFFECT OF STIFF LAYER VS. WEAK LAYER RATIO ...   (Site not responding. Last check: 2007-10-21)
In contrast to the central Ouachita Mountains, the southern Ouachitas change eastward from a core area of deformed pre-Meramecian rocks (Broken Bow uplift) to north-vergent broad faulted folds.
The shortest fold wavelengths are in the core areas of the central and southern Ouachita Mountains where thin stiff-layer cherts and sandstones are interbedded with thicker weak-layer shales.
Longer wavelength folds are in the eastern part of the frontal and southern Ouachita Mountains, and in the western central Ouachita Mountains.
gsa.confex.com /gsa/2001RM/finalprogram/abstract_5924.htm   (389 words)

  
 Ouachita Mountains - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-10-21)
The Ouachita Mountains are a mountain range located in Arkansas and Oklahoma.
Heavily eroded ridges extend into Texas, and the range's subterranian roots may extend as far as central Texas, or beyond it to the current location of the.
The Battle of Devil's Backbone was fought here at the ridge of the same name in 1863.
paragould.us /project/wikipedia/index.php/Ouachita_Mountains   (334 words)

  
 GORP - Ouachita River - Arkansas
In its upper reaches, the Ouachita is a narrow, fast-moving stream with class I (and occasionally class II) rapids.
The Ouachita River's scenic beauty is due in part to the noticeable bluffs along the route.
The Ouachita is the longest and largest river in the Ouachita Mountain region.
gorp.away.com /gorp/resource/us_river/ar/ouachita.htm   (1023 words)

  
 Geology of the Ouachita Mountains
The Ouachita National Forest is located in the heart of the Ouachita Mountains through the west central portion of Arkansas and the southeastern portion of Oklahoma.
The Ouachita Province is a mountainous, geologically complex area located between the Gulf Coastal Plain to the south and the Arkansas Valley to the north.
The physiographic "Ouachita Province" is subdivided into the Fourche Mountains in the northern half of the Forest, and the Novaculite uplift in the southern half of the Forest.
www.ouachitaadventures.com /Ouachitas/Geology/geology.html   (619 words)

  
 The Ouachita Mountains in Mena, Arkansas.
The Ouachita Mountains are located in western Arkansas and extreme east -central Oklahoma.
Mena, Arkansas is located in the heart of the Ouachitas: 100 miles north of Texarkana, 75 miles west of Hot Springs, Arkansas, 90 miles south of Fort Smith, Arkansas and approximately 250 miles northeast of Dallas, Texas.
The climate in the Ouachita Mountains is pleasant.
www.mena-ark.com /corcoran/The_Ouachitas/the_ouachitas.html   (330 words)

  
 [No title]
Geology of the Ouachita Mountains; Rockhounding Arkansas')" href="http://click.hotbot.com/director.asp?site=search.lycos.com&partner=&start_group=retriever_topic&id=1&keys=Ouachita+Mountains&target=http%3A%2F%2Frockhoundingar.com%2Fgeology%2Fouamtns.html">rockhoundingar.com
In parts of the Ouachita Mountains, especially the central core, much of the shale has undergone very low-grade regional metamorphism resulting in cleavage that has replaced fissility as the dominant planar structure.
Located on the Ouachita River in the Ouachita Mountains of west central Arkansas, the lake is surrounded by the Ouachita National Forest and private timberlands.
www.lycos.com /info/ouachita-mountains.html   (631 words)

  
 Arkansas and Oklahoma Hang Gliding in the Ouachita Mountains.
Arkansas and Oklahoma Hang Gliding in the Ouachita Mountains.
Hang Gliding and Paragilding in the Ouachita Mountains of Arkansas and Oklahoma!
The Ouachita Mountains span across Arkansas and Oklahoma and are the only East to West oriented mountain range in the United States, providing a unique opportunity for the Hang Glider Pilot.
www.ouachitahanggliding.com   (376 words)

  
 Ouachita River Foundation Home Page
The Ouachita River Foundation is dedicated to recording the beauty and history of the Ouachita through television, film and print to establish an awareness that will preserve the Ouachita for generations to come.
The Ouachita originates as a tiny mountain stream in the Ouachita Mountains near Eagleton, Arkansas (Northwest of Mena, AR).
Downstream, the Ouachita flowsinto Lake Ouachita (near Hot Springs, AR), then after leaving a series of lakes, the Ouachita begins to take on a different appearance as it flows nearly 600 miles to join the Tensas and Little Rivers at Jonesville, Louisiana, forming the Black River.
www.ouachitariver.org /main.htm   (527 words)

  
 Endemic Salamanders of the Plethodon Ouachitae Complex
The Ouachita Mountains will be the focus of the project, however both of the provinces set the framework to understand the present distribution of flora and fauna.
The Ouachita Mountains are the southernmost subdivision of the Interior Highlands.
This mountainous and geologically complex region is surrounded on the east and south by the coastal plain, and on the west by the dry, slightly elevated central lowlands.
www.emporia.edu /earthsci/student/schmidt1/ouachita.html   (1788 words)

  
 AR Valley & Ouachita Mtns
The Ouachita Mountains are made up of complexly folded and faulted Paleozoic age sedimentary rocks that were originally deposited in mostly deep marine environments.
It is the surface rock of the Boston Mountains and dominates the exposures in the Arkansas River Valley and the frontal Ouachita Mountains.
The formation is conformable with the Bloyd Shale in the Boston Mountains and with the Johns Valley Shale in the Ouachita Mountains.
www.state.ar.us /agc/arvalley.htm   (3078 words)

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