Search Results: Crossbedding
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Cross-bedding
Minggu, 2025-11-09 20:40:02In geology, cross-bedding, also known as cross-stratification, is layering within a stratum and at an angle to the main bedding plane. The sedimentary...
Click to read more »Limestone
Kamis, 2026-04-16 04:49:07environments, such as the Bahama platform, and oolites typically show crossbedding and other features associated with deposition in strong currents. Oncoliths...
Click to read more »Horseshoe Bend (Arizona)
Senin, 2025-10-20 13:50:02the Grand Canyon at Horseshoe Bend. This sandstone is notable for its crossbedding and iron concretions. It is likely that the Colorado River will eventually...
Click to read more »River delta
Kamis, 2026-05-21 18:49:13topset beds. This three-part structure may be seen on small scale by crossbedding. The bottomset beds are created from the lightest suspended particles...
Click to read more »Eagle Sandstone
Selasa, 2025-10-07 03:12:34to pale yellow-orange, fine-grained sandstone. It contains areas of crossbedding and local shale members. It contains large (up to 15 feet in diameter)...
Click to read more »Sharon Conglomerate
Senin, 2024-12-09 06:56:45conglomerate and quartzarenite sandstone. In places it is abundantly crossbedded. The Sharon Conglomerate is generally considered a Member of the Pottsville...
Click to read more »Aeolian processes
Minggu, 2026-05-31 02:53:15within the group are up to 500 meters (1,600 ft) thick. Study of the crossbedding shows that sediments were deposited by a clockwise atmospheric cell....
Click to read more »Arches National Park
Minggu, 2026-03-08 20:14:20Entrada Sandstone: Crossbedded rock layers formed within the Entrada Sandstone that make up Arches National Park...
Click to read more »Pensauken Formation
Minggu, 2025-06-08 20:42:06may be massive (without stratification) or stratified, and may contain crossbedding. The Pensauken was initially described by Rollin D. Salisbury as the...
Click to read more »Beclabito Formation
Sabtu, 2025-06-14 01:29:52sandstone is very fine to medium grained and displays ripple crossbedding, trough crossbedding, and horizontal laminations. The siltstones are reddish-brown...
Click to read more »Walnut Canyon National Monument
Minggu, 2026-06-07 02:00:12Sandstone. The Kaibab formation also forms the rim of the Grand Canyon. Crossbedding is present in the Coconino Sandstone. The Walnut Canyon site contains...
Click to read more »Khadir Formation
Kamis, 2025-12-25 06:00:49meter thick, friable, coarse-grained sandstone occurs, with large trough-crossbedding that cements towards the top and forms a small cliff. The depositional...
Click to read more »Morrison Formation
Rabu, 2026-05-06 23:52:54Dakota Formation. Jackpile Sandstone Member (NM): primarily a whitish crossbedded subarkose sandstone with a clay matrix. It is interbedded with variegated...
Click to read more »Glorieta Sandstone
Sabtu, 2025-10-18 05:20:31local coastal eolian deposition. The presence of forams and herringbone crossbedding also suggests a shallow marine environment. The Glorieta Sandstone likely...
Click to read more »Black hand sandstone
Sabtu, 2024-06-22 05:09:08Black Hand Sandstone is a multistory, crossbedded, coarse-grained conglomeratic sandstone within the Cuyahoga Formation in Ohio. Wikimedia Commons has...
Click to read more »Bidahochi Formation
Senin, 2025-11-17 00:56:21conglomerate of limestone and siltstone pebbles. The beds show distorted crossbedding and ripple marks, and plant fossils (impressions and petrified wood)...
Click to read more »Dinosaur Park Formation
Senin, 2026-06-01 07:20:49channel environments and consists primarily of fine- to medium-grained, crossbedded sandstones. The upper portion, which was deposited in overbank and floodplain...
Click to read more »Darcy's law for multiphase flow
Kamis, 2025-03-27 16:55:12directions. Geological heterogeneities in the reservoirs like laminas or crossbedded permeability structures in the rock, also cause directional relative...
Click to read more »Djadochta Formation
Selasa, 2026-06-09 07:36:13yellowish-white) sands and sandstones. 30 m (98 ft) Bayn Dzak Reddish-orange, crossbedded, and structureless sandstones, with minor deposits of brown siltstones...
Click to read more »Bald Eagle Formation
Selasa, 2026-06-02 14:07:07defined as a gray to olive-gray and grayish-red, fine to coarse-grained crossbedded sandstone or greywacke. A conglomeratic member, called the Lost Run Member...
Click to read more »Navajo Church
Senin, 2026-05-25 00:45:57This then overlays Zuni Sandstone which displays spectacular eolian crossbedding on the south face. Successive layers below dropping south to Red Rock...
Click to read more »Cappahayden Formation
Kamis, 2025-12-04 06:01:01sandstones/siltstones with very fine black parallel laminations, rarely with crossbedding. "GEOLOGY OF THE AVALON PENINSULA, NEWFOUNDLAND" (PDF). "Newfoundland...
Click to read more »Antelope Ridge (Juab County, Utah)
Jumat, 2026-05-22 00:42:50Crossbedded tuff of Topaz Mountain Rhyolite at the south end of Antelope Ridge (USGS photo)...
Click to read more »Geology of the Death Valley area
Kamis, 2026-04-09 09:10:18(210 to 240 m) thick separated by 500 feet (150 m) of purple shale, crossbedding conspicuous in quartzite. Maximum thickness about 2,000 feet (600 m)...
Click to read more »Hopeman Sandstone Formation
Sabtu, 2025-06-28 08:10:03floods. Basal beds are pebbly and the unit varies, exhibiting large-scale crossbedding to fine rarely contorted laminations. Some beds are friable, while others...
Click to read more »Pambikalbae
Kamis, 2026-05-21 09:47:03hollow parts of the specimens exhibit fine laminations and small scale crossbedding, which indicates that the specimens were buried progressively, not instantly...
Click to read more »Atarque Sandstone
Kamis, 2025-05-29 00:30:10thickness of 100 feet (30 m). The beds are flat, massive and have low-angle crossbedding. The formation intertongues with the underlying Rio Salado Tongue of...
Click to read more »Kurkar
Minggu, 2026-05-31 09:37:04of medium to coarse-grained calcareous sandstone are characterized by crossbedding. Israel's coastal sand dunes, the habitat of many rare species of plants...
Click to read more »Ortega Formation
Rabu, 2024-07-17 13:22:51some beds near the base of the formation composed of metaconglomerate. Crossbedding is found throughout the formation, and aluminosilicate minerals are abundant...
Click to read more »Moreno Hill Formation
Senin, 2025-09-29 11:07:29pale orange to light brown poorly sorted grains that usually show steep crossbedding. The sandstones are interpreted as channel or splay deposits in a fluvial...
Click to read more »Redwall Limestone
Kamis, 2025-09-04 10:12:11packstones. In a few places, this member exhibits conspicuous medium-scale crossbedding. In the Grand Canyon, the Whitmore Wash Member varies in thickness from...
Click to read more »Hoback Formation
Senin, 2025-06-30 00:16:08substantial portion of the year. A prominent sandstone facies (with crossbedding, overbank deposits, and large pebbly deposits), thought to represent...
Click to read more »Ashfield Shale
Selasa, 2026-03-31 19:05:10volcanic rock remnants with uncommon calcite and feldspar. Low angle crossbedding hint a littoral deposit or a marine block, possibly part of a beach and...
Click to read more »El Cobre Canyon Formation
Kamis, 2025-06-05 04:59:32sandstone beds are coarse grained, arkosic, and micaceous, with trough crossbedding. The sandstones form thick cliffs and benches. The conglomerates are...
Click to read more »Gallup Sandstone
Kamis, 2025-06-05 05:11:11highly bioturbated and in some place shows ripple marks and low-angle crossbedding. It overlies and intertongues with the Mancos Shale and is overlain and...
Click to read more »Marquenas Formation
Minggu, 2025-10-05 20:15:53uncertain, since they contain no aluminum silicate minerals and little crossbedding, but both are present in the Ortega Formation, the most likely local...
Click to read more »Upheaval Dome
Kamis, 2026-05-28 02:25:45the cliff-forming Wingate Sandstone, the Kayenta Formation, and the crossbedded Triassic-Jurassic Navajo Sandstone. Structurally, the dome is anomalous...
Click to read more »Scientific information from the Mars Exploration Rover mission
Selasa, 2026-02-10 09:44:59Crossbedding features in rock "Last Chance"...
Click to read more »Entrada Sandstone
Selasa, 2026-03-17 09:12:52south and east, the Entrada transitions to cliff-forming red or white crossbedded sandstone, sometimes called the "slickrock facies". This is actually...
Click to read more »Chugwater Formation
Senin, 2025-06-02 02:58:46interruption, there are a few examples of ripple marks and occasional crossbedding. Examples of infilled mudcracks of irregular shape, are common. The main...
Click to read more »Tesuque Formation
Sabtu, 2025-06-21 02:46:59coalesced alluvial fans with highly variable lithology. There is significant crossbedding and lenticular bedding, and some sandstone beds are well cemented with...
Click to read more »Patuxent Formation
Selasa, 2026-01-20 12:27:10common, and sand beds gradually transition to clay. Sandy beds may be crossbedded, which is evidence of shallow water origin. The Patuxent is the basal...
Click to read more »Endothiodon
Minggu, 2025-09-28 05:31:45fine-to medium- or coarse-grained, dark or greenish grey, and very finely crossbedded. Since then several more specimens have been found in African countries...
Click to read more »Geology of the Capitol Reef area
Senin, 2026-05-04 21:32:07marks and mudcracks while the sandstone has horizontal and low-angle crossbedding. Small to large fossilized track-ways from amphibians and reptiles are...
Click to read more »Meridiani Planum
Selasa, 2026-01-27 08:53:14subaqueous ripples. Figure 24 illustrates cross-stratification, also called crossbedding. The concentration of the element bromine in rocks was highly variable...
Click to read more »Mizur Formation
Selasa, 2026-05-19 07:04:42and is dominated by fine-grained sandstone horizons, often low-angle crossbedding and scarce fine ripple marks, in contrast to the abundant large wave...
Click to read more »Kryostega
Sabtu, 2026-03-21 09:53:34the Fremouw Formation consists largely of a 300-meter thick series of crossbedded, volcaniclastic sandstones. Kryostega was found in a thin siltstone cobble...
Click to read more »Belt Supergroup
Rabu, 2025-04-02 00:08:47quartz-rich of interlayered red argillite and siltite characterized by mudcracks and interstratified with abundant white, crossbedded quartzite and sandstone....
Click to read more »Ellisdale Fossil Site
Senin, 2026-06-01 06:12:37clays underlain by crossbedded coastal sands of the Englishtown Formation. The estuarine clays are overlain by well-sorted, crossbedded sand and offshore...
Click to read more »Mesa Rica Sandstone
Kamis, 2025-07-03 05:47:18dating back to the Cretaceous period. The Mesa Rica Sandstone consists of crossbedded white to buff sandstone. The sandstone is massive and medium- to coarse-grained...
Click to read more »Blue Knob State Park
Minggu, 2026-02-22 13:03:05transitional Devonian-Mississippian Rockwell Formation, consisting of crossbedded argillaceous sandstone with some shale beds. Blue Knob All Seasons Resort...
Click to read more »Zonguldak basin
Sabtu, 2026-05-30 06:23:38contains economic deposits of coal. It is composed predominantly of crossbedded black shales and silts in the lower sections of the unit and progressively...
Click to read more »Renton Formation
Selasa, 2025-09-30 08:37:50well sorted and thinly bedded; locally, the sandstone is massive or crossbedded. Some beds in the formation are very soft and plastic when wet, owing...
Click to read more »Pictured Cliffs Formation
Rabu, 2026-05-27 10:03:14grayish-orange cliff-forming sandstone. The upper beds are massive and crossbedded, consisting of well-sorted, fine-grained, friable sandstone. The lower...
Click to read more »Abo Formation
Rabu, 2026-05-06 18:49:33is dominated by mudstone (87% of the type section), with some trough-crossbedded, coarse-grained, conglomeratic sandstones (11% of the type section) interpreted...
Click to read more »Geology of the United States
Senin, 2025-12-08 09:23:45Crossbedded Navajo Sandstone in Zion National Park...
Click to read more »Price River Formation
Jumat, 2026-01-23 18:50:57conglomerate and conglomeratic sandstone; sparse mudstone beds as well. The crossbedded sandstones are generally thin bedded to massive, and commonly thick bedded...
Click to read more »Hakatai Shale
Rabu, 2026-03-25 01:34:02Shale consists of pale purple or lavender, fine- to coarse-grained, crossbedded coarse arkose. Basaltic sills and dikes intrude all of the Unkar Group...
Click to read more »Juniata Formation
Senin, 2026-05-04 13:52:06thin- to thick-bedded siltstone, shale, and very fine to medium-grained crossbedded sandstone or subgraywacke and protoquartzite with interbedded conglomerate...
Click to read more »Minotaurasaurus
Kamis, 2025-10-02 04:54:43Turgrugyin Member. The Bayn Dzak Member consists of moderate reddish orange, crossbedded, and structureless sandstones, with subordinate deposits of brown siltstone...
Click to read more »Pavy Formation
Senin, 2025-09-22 04:03:33period. The Pavy Formation is interpreted to be fluvial in origin. Trough-crossbedded sandstone facies dominate this formation and were probably channel deposits...
Click to read more »Exeter Sandstone
Minggu, 2025-06-01 05:50:45formation consists of up to 24 meters (79 ft) of white to pale pink crossbedded quartz sandstone. It unconformably overlies the Sheep Pen Sandstone and...
Click to read more »Romeroville Sandstone
Minggu, 2025-06-01 07:24:39yellow-gray quartz sandstone with minor siltstone. The sandstone is planar crossbedded and bioturbated and locally pebbly. It overlies the Pajarito Formation...
Click to read more »Crevasse Canyon Formation
Sabtu, 2025-06-14 01:44:19fine- to medium-grained sandstone, and coal. Sandstone is commonly crossbedded or ripple laminated." The Dalton Sandstone Member is described as "Gray...
Click to read more »Trujillo Formation
Sabtu, 2025-06-21 02:48:32more common in the middle and upper beds. The sandstone is typically crossbedded and is fine-grained in the lower beds and more coarse in the middle and...
Click to read more »Wapiti Formation
Sabtu, 2026-01-24 18:31:43seams and bentonite beds. The sandstones are typically thick, pale grey, crossbedded and bentonitic. The middle part contains less sandstones, more mudstones...
Click to read more »Palomas Formation
Rabu, 2025-08-20 18:44:2040 centimetres (16 in) long. The siltstone is well-sorted and trough-crossbedded. The formation may correlate with the Sierra Ladrones Formation to the...
Click to read more »Log Springs Formation
Selasa, 2025-06-03 05:42:34The upper part of the formation is an upward coarsening sequence of crossbedded argillaceous reddish sandstones. These include abundant clasts of Precambrian...
Click to read more »Big Rock Formation
Sabtu, 2025-06-07 03:24:23sizes are from 1 to 20 cm and the pebbles are systematically elongated. Crossbedding is pervasive. Flattened felsic clasts may be metamorphosed pumice. It...
Click to read more »Abiquiu Formation
Kamis, 2026-03-26 19:47:13Abiquiu Formation consists of light-gray to yellowish-gray, locally crossbedded, thin to thick beds of tuffaceous sandstone, pebbly sandstone, and siltstone...
Click to read more »San Pedro Arroyo Formation
Sabtu, 2025-06-21 02:38:52123 meters (404 ft). The sandstones are purple to red in color and are crossbedded, laminar, ripple laminated and micaceous. They are interbedded with conglomerates...
Click to read more »Citipes
Senin, 2026-01-12 21:48:29channel environments and consists primarily of fine- to medium-grained, crossbedded sandstones. The upper portion, which was deposited in overbank and floodplain...
Click to read more »Sixtymile Formation
Minggu, 2025-11-16 09:08:23derived from the middle member. Some of the sandstone exhibits fluvial crossbedding and is fanglomeratic. Massive weathering maroon conglomerate is present...
Click to read more »Cherryvale Formation
Rabu, 2025-07-16 20:54:18the Kansas City metro area, this base is overlain by a thick "reef" of crossbedded oolitic limestone, which can be up to 12-16 feet thick, known as a "carbonate...
Click to read more »Stadium Conglomerate
Sabtu, 2025-06-21 02:43:52sandstone matrix. The conglomerate has dispersed lenses of fossiliferous crossbedded sandstone. It overlies the Friars Formation, and underlies the sandstone...
Click to read more »Viking Formation
Senin, 2025-08-11 10:00:04Formation Stratigraphic range: Late Albian PreꞒ Ꞓ O S D C P T J K Pg N Crossbedded Viking sandstone Type Geological formation Underlies Big River Formation...
Click to read more »Ganoga Lake
Rabu, 2026-02-25 07:26:26which is a "light-gray to buff or light-olive-gray, medium-grained, crossbedded sandstone", with some siltstone and conglomerates. The Pocono Formation...
Click to read more »Chuska Sandstone
Rabu, 2025-07-02 08:40:07(eolian) sandstone. The sandstone is pinkish-gray to yellowish-gray and is crossbedded and arkosic (it contains significant feldspar). The formation overlies...
Click to read more »Arroyo del Agua Formation
Kamis, 2026-04-02 08:30:00sheets. The sandstone sheets themselves are coarse, arkosic, and trough crossbedded. The minor conglomerate beds are mostly composed of intraformational...
Click to read more »Osha Canyon Formation
Selasa, 2025-06-03 05:43:25calcareous marine sandstone bed of the Osha Canyon Formation from the basal crossbedded nonmarine sandstone bed of the Sandia Formation. Fossils are characteristic...
Click to read more »Mount Ritchie
Minggu, 2025-11-09 09:41:41consists of locally fossiliferous, interbedded shale, siltstone, and crossbedded sandstone of which the upper few meters are locally deformed by glaciotectonic...
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