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chert

Examples

  • Encyclopedia article of CHERT at compiled from comprehensive and current sources. — “Chert encyclopedia topics | ”,
  • A sample of chert. Chert is a fine-grained, silica-rich, microcrystalline, cryptocrystalline or microfibrous sedimentary rock that may contain small fossils. Chert occurs as oval to irregular nodules in greensand, limestone, chalk, and dolostone. — “Chert - New World Encyclopedia”,
  • Chert is found primarily in middle Tennessee on the Highland Rim and the counties around the upper Tennessee River. In the early Ordovician, middle Devonian and the early Mississippian Periods, however, large amounts of chert were deposited. — “Chert”,
  • B. Chert thunderbird artifact (width between wingtips - ca. DESCRIPTION: Chert is the name given to some microcrystalline quartz -- see following discussion under Colors. — “GemRocks: Chert”, cst.cmich.edu
  • Chert is one of the most common rocks in our neighborhood. We sometimes find white chert mixed with the dolostone gravel used to make driveways and roads in our area. — “Neighborhood Rocks: White Chert”,
  • CHERT USE IN THE MESOLITHIC OF NORTHERN ENGLAND. D. Hind, University of Sheffield Chert, like flint, is a silicate, the essential components of which are silicon and oxygen. — “assemblage 4 -- Chert Use in the Mesolithic”,
  • Chert, or cryptocrystalline quartz, is a microcrystalline variety of the mineral quartz (SiO2) that is chemically or biochemically precipitated from seawater. Chert is just one of the many types, or polymorphs, of quartz, a mineral composed of three-dimensionally bonded silicate tetrahedra. — “Chert: World of Earth Science”,
  • Chert, a sedimentary rock, is composed mostly of a mineral called chalcedony, a form of silica. It can be found in the form of nodules, concretionary masses, or in layered deposits. This microcrystalline or cryptocrystalline rock forms deep in. — “Chert - Kosmix : Reference, Videos, Images, News, Shopping”,
  • Flint and chert are dense, cryptocrystalline varieties of quartz, slightly translucent to Firestone, Hornstone, and Silex are other names for flint and chert. — “The Quartz Page: Flint and Chert”,
  • Chert. Includes Autoresponders, Commercial Buildings, Tech Lighting, New Orleans Hotels, Imagesab, Inventory Management Software, Rentals, Geology, Rental and Cheap Isp information plus more related topics on . — “Chert (Photobucket, Franciscian, Holiday, Xert) @ ”,
  • ALASKAN CHERT: Is considered to be a hard, dense rock composed of microcrystalline or cryptocrystalline silica--Si02--or silicon dioxide--that breaks with a conchoidal fracture ( A breakage of rock in concentric circles or in a clam shell-like scar pattern. — “Alaskan Chert”,
  • Category:Chert. From Wikimedia Commons, the free media repository. Jump 492 bytes. Rhynie chert.jpg. 880,211 bytes. Tigereisen.jpg. 1,367,401 bytes. TigereisenD.jpg. — “Category:Chert - Wikimedia Commons”,
  • Chert definition, a compact rock consisting essentially of microcrystalline quartz. Chert often contains impurities such as calcium, iron-oxide, or the remains of silica-rich organisms. — “Chert | Define Chert at ”,
  • Alluvial deposits of chert gravel of presumed Neogene age are widespread and abundant on hill tops and high terraces throughout the region. Such residual chert is responsible for maintaining high topographic relief and gives the Flint Hills their name. — “Chert gravel”, emporia.edu
  • Chert (dark bands) in the Devonian Corriganville-New Creek limestone, Everett, Pennsylvania. Chert occurs as oval to irregular nodules in greensand, limestone, chalk, and dolostone formations as a replacement mineral, where it is formed as a result of some type of diagenesis. — “Chert - Wikipedia, the free encyclopedia”,
  • chert n. A variety of silica that contains microcrystalline quartz. A siliceous rock of chalcedonic or opaline silica occurring in limestone. — “chert: Definition from ”,
  • Chert is a form of microcrystallite quartz. It is a tough rock that can be broken to form very sharp edges. — “Chert: Sedimentary Rock - Pictures, Definition, Formation”,
  • Attalla Chert Conglomerate Member of the Chickamauga Limestone - conglomerate of pebbles, cobbles, and boulders of chert and rare dolomite and quartzite in a sand-sized chert and quartz matrix; thin beds of gray-green or dusky-red shale common at base. — “Geologic units containing chert”, tin.er.usgs.gov
  • [[Image:ChertUSGOVjpg.jpg|thumb|Chert]]Chert (IPA: ) is a fine-grained silica-rich cryptocrystalline sedimentary rock that may contain small fossils. It varies greatly in color from white to black, but most often manifests as gray, brown, grayish. — “Chert | ”,
  • Chert also forms the bulk of the gravel bars and beds that clog our Chert is a very hard and resistant microcrystalline variety of quartz, SiO2. — “Rock Types | Chert”,
  • Chert can form in parts of the deep sea where the tiny shells of siliceous organisms are Chert is a more inclusive term than flint or jasper, two other. — “Sedimentary Rock Types - Chert Picture”,
  • Franciscan chert is formed from the tiny silica shells (0.5-1 mm) of marine plankton called Radiolaria. How do geologists get the Radiolaria out of the chert? The beautiful and intricate Radiolaria tests can be extracted from the chert by crushing it into small pieces and then putting it in a. — “Golden Gate National Recreational Area - Chert FAQ (U.S”, nps.gov
  • Chert is resistent to weathering and so tends to stand out of the ourcrop. The next two images (click pictures) focus in closer and closer to see the nature of the chert. — “Chert”, csmres.jmu.edu
  • In North American archeology the term chert occasionally is still used for various siliceous minerals (including flint) that have a conchoidal fracture; this leads to confusion between the terms flint and chert in some archeology texts. (countable) A flint-like tool made from chert. — “chert - Wiktionary”,

Videos

  • 4 Loretto, Tn Guys, climbing the chert pit wall. 4 experienced guys climbing the chert pit wall and mudding at Westpoint, Tn
  • Spalling Edwards Chert 2.wmv Spalling a basketball-sized chunk of Edwards Plateau chert into large flakes with a big copper billet. Shows spalling technique and tips. Filmed by my wife and assisted by Ramsay, the Golden Retriever.
  • Joir Louch Chert 11_Nirkoun
  • Spalling raw chunk of chert This is a method of starting on a chunk of rock to reduce it to usable pieces which will individually be finished into tools.
  • ARROWHEAD HUNTING 101 KILLER HORSE CREEK CHERT AWESOME! This is my last rock of the day. This flint is the most sought after flint there is! I am unsure of what it is. I thought it was an adena until closer look showed the base with small big sandy type flares on it just smaller. I love finding rocks made out of this flint. Check out more of my videos I am just getting warmed up!
  • Holme Bank Chert Mine, Derbyshire I created this video with the YouTube Video Editor (
  • Joir Louch Chert 09_Nirkoun
  • Bross Chert Chiaya oeun Sreymom
  • Joir Louch Chert 08_Nirkoun
  • Joir Louch Chert 12_Nirkoun
  • [ENG SUB] Girly Berry - "Suay Rert Chert Yorm (Pretty Showy Snub Surrender)" สวย เริ่ด เชิด...ยอม Song/Video (c) Girly Berry RS Promotion And all other respective owners Buy the album "Berry Secret": Buy the karaoke VCD "Berry Secret": Please support the artists and purchase the real thing :)
  • Ar-Chert-Ard! A group comprising of a future speech pathologist, marketing student and a PhD student! E: "E-chada, E-chae-ia? *giggles* It's not a phonetic transcription, it's just SPELLING!" N: "E-charge!" C: "Ed-cut!" N: "Ed-kharge!" Conclusion: Ar-chert-ard!
  • Identifiying Flint Chert and other Sparking Rocks http
  • horse creek chert
  • Silver Chert Adze DfRv 34 SaltSpring Island BC
  • HORSE CREEK CHERT KNAPPING FLINT
  • MacGregor Point Port Elgin Chalk Chert
  • Texas Hill Country Chert In the Texas Hill Country. Looking for arrowheads with no luck, but there was more chert than I could shake a stick at... I know there are points there..
  • Chert / Rijang One of the rarest outcrops in the world
  • Africa Calling - Tinariwen I - Mali Tuareg Nomads FUN
  • Shahin Najafi -Daram Chert Migam(Album sale khoon) In video ro khodam sakhtam halesho bebarid!!!!!
  • Chert Rock I Found very cool rock... it makes sparks! and i did eventully get the char cloth lit.
  • Holme Bank Chert Mine.mov Diving through the flooded lower levels of Holme Bank Chert Mine, Bakewell, Derbyshire in 1991. Divers: Rob Harrison, Richard Bartrop. Camera: Pete Bolt. Lighting: Shaun Puckering. Camera and lighting loaned by Arthur Balderson of SDS Watersports.
  • Jay King Green Chert Jasper Pendant with 18 5-Row Beaded... For More Info or to Buy Now: They'll envy the inherent elengance of these Jay King Green Chert Jasper Earrings. An oval stabilized green chert jasper (approx. 25x18mm) is bezel-set in the center of eachsterling silver... Prices shown on the previously recorded video may not represent the current price. View to view the current selling price. HSN Item #368363
  • nice creek chert knife arrowhead hunting the creek 3
  • Chert Rolfe Erickson explains the Chert at Ward Creek. libweb.sonoma.edu
  • Joir Louch Chert 07_Nirkoun
  • Jay King Green Chert Jasper Sterling Silver Pendant and ... For More Info or to Buy Now: Australia's vast outback is the majestic terrain upon which you might discover the intriguing material gracing Jay King's Green ChertJasper Sterling Silver Pendant and Beaded Necklace. The... Prices shown on the previously recorded video may not represent the current price. View to view the current selling price. HSN Item #525223
  • Horse Creek Chert AWESOME
  • Joir Louch Chert 06_Nirkoun
  • Joir Louch Chert 10_Nirkoun
  • 412 Chert Drive Grand Junction CO 81504 For more information contact Alyssa Roberts at 970-683-2591 or 970-261-8009. GREAT BUY - IN REALLY GOOD CONDITION. ONE-OWNER. 3 BEDROOM, 2 BATH, 2 CAR GARAGE, COVERED FRONT & REAR PORCHES, STUCCO EXTERIOR & STEMWALL FOUNDATION. FENCED YARD, REAR HAS GRASS, FRONT IS XERISCAPED. ALL APPLIANCES INCLUDED, EVEN THE WASHER & DRYER. YOUR INSURANCE WILL LOVE THAT THE FIREW HYDRANT IS RIGHT OUT FRONT! SHORT SALE PRE-NEGOTIATED. To view the virtual tour visit
  • Native Ancestral Skills: Stone Tools from Franciscan Chert I show you how to identify good quality chert for making stone tools and projectile points.
  • 2 experienced Razors @ Westpoint, Tn chert pit 2 well seasoned Razor drivers climb wall of chert pit @ Westpoint Tn chert pit. They were real nice and allowed me to put this on......do not try this, these guys know what they are doing!!!!!
  • Chert: Rock of Ancient Peoples A brief "fly-by" view of a small fragment of chert, a very hard, silica-rich sedimentary rock used by indigenous people for the ignition of fires and the creation of cutting and hunting tools, such as arrowheads.
  • Bruce Trail - Borer's Falls - Creek Walking - Ancaster Chert Walking the creek bed below Borer's Falls off of the Bruce Trail in search of Ancaster Chert used for flintknapping arrowheads and spearpoints. Video gives you an idea on the topography of this area/creek.
  • Joir Louch Chert 13_Nirkoun
  • where u at - tae yang - by kru lot and chert at mifa gmm. cover dance tae yang where u at song
  • Preap Sovath - Besdong Chert Dach Kyorl
  • Spalling New York Chert the Abo Way Thinning and spalling a large chunk of chert using Abo tools. A large elk or moose billet used to produce large thin and flat flakes good for some nice flint knapped arrow heads!