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Sharon Conglomerate
The Sharon Conglomerate is a geologic formation of early Pennsylvanian age in Pennsylvania, Ohio, and Maryland, in the United States. It is dominantly conglomerate and quartzarenite sandstone. In places it is abundantly crossbedded. The Sharon Conglomerate is generally considered a Member of the Pottsville Formation in Pennsylvania and Maryland,Lyons, P.C., Jacobsen, E.F., and Scott, B.K., 1985. ''Coal geology of the Castleman coal field, Garrett County, Maryland'', U.S. Geological Survey, Coal Investigations Map C-98. Scale: 1:24,000link but it is a Formation in Ohio. Exposures The Sharon conglomerate has no formal type section, National Geologic Map Database, Geologic Unit: Sharon although it is named after the town of |
Sedimentary Rock
Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface, followed by cementation. Sedimentation is the collective name for processes that cause these particles to settle in place. The particles that form a sedimentary rock are called sediment, and may be composed of geological detritus (minerals) or biological detritus (organic matter). The geological detritus originated from weathering and erosion of existing rocks, or from the solidification of molten lava blobs erupted by volcanoes. The geological detritus is transported to the place of deposition by water, wind, ice or mass movement, which are called agents of denudation. Biological detritus was formed by bodies and parts (mainly shells) of dead aquatic organisms, as well as their fecal mass, suspended in water and slowly piling up on the floor of water bodies ( marine snow). Sedimentation may also occur as dissolved minerals precipita ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crossbedding
In geology, cross-bedding, also known as cross-stratification, is layering within a stratum and at an angle to the main bedding plane. The sedimentary structures which result are roughly horizontal units composed of inclined layers. The original depositional layering is tilted, such tilting not being the result of post-depositional deformation. Cross-beds or "sets" are the groups of inclined layers, which are known as cross-strata. Cross-bedding forms during deposition on the inclined surfaces of bedforms such as ripples and dunes; it indicates that the depositional environment contained a flowing medium (typically water or wind). Examples of these bedforms are ripples, dunes, anti-dunes, sand waves, hummocks, bars, and delta slopes.Collinson, J.D., Thompson, D.B., 1989, Sedimentary Structures (2nd ed): Academic Division of Unwin Hyman Ltd, Winchester, MA, XXX p. Environments in which water movement is fast enough and deep enough to develop large-scale bed forms fall into three ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Unconformity
An unconformity is a buried erosional or non-depositional surface separating two rock masses or strata of different ages, indicating that sediment deposition was not continuous. In general, the older layer was exposed to erosion for an interval of time before deposition of the younger layer, but the term is used to describe any break in the sedimentary geologic record. The significance of angular unconformity (see below) was shown by James Hutton, who found examples of Hutton's Unconformity at Jedburgh in 1787 and at Siccar Point in 1788. The rocks above an unconformity are younger than the rocks beneath (unless the sequence has been overturned). An unconformity represents time during which no sediments were preserved in a region or were subsequently eroded before the next deposition. The local record for that time interval is missing and geologists must use other clues to discover that part of the geologic history of that area. The interval of geologic time not represented ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jackson, Ohio
Jackson is a city in and the county seat of Jackson County, Ohio, United States approximately 27 mi (43 km) SE of Chillicothe. The population was 6,239 at the 2020 census. History Established in 1817, residents named the town after Andrew Jackson, a hero of the War of 1812, and an eventual president of the United States. The community grew slowly, having only 297 inhabitants in 1840. In 1846, Jackson contained four churches, about seven stores, and a single newspaper office. Over the next 40 years, the town grew quickly, attaining a population of 3,021 people in 1880. By 1880, two railroad lines passed through the community, helping to spur economic and population growth. In 1886, two newspaper offices, eight churches, and two banks existed in Jackson. The largest businesses in the town were the Star Furnace Company and the Globe Iron Company, with 30 employees apiece. Both firms used local coal and iron ore deposits to make iron products. Jackson continued ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cuyahoga Valley National Park Geologic Cross Section
Cuyahoga may refer to: Places * Cuyahoga County, Ohio * Cuyahoga Falls, Ohio * Cuyahoga Heights, Ohio * Cuyahoga River The Cuyahoga River ( , or ) is a river located in Northeast Ohio that bisects the City of Cleveland and feeds into Lake Erie. As Cleveland emerged as a major manufacturing center, the river became heavily affected by industrial pollution, so mu ..., northeast Ohio * Cuyahoga Valley National Park, Ohio Ships * , a U.S. Coast Guard Cutter that sank in the Chesapeake Bay in 1978 after a collision * , built in 1927 and transferred from the United States Coast Guard to the Navy in 1933 * ''Cuyahoga'' (ship, 1943), a ''Maritimer'', built to the design of the United States Maritime Commission, see Lower Lakes Towing Song * "Cuyahoga" (song), a song by R.E.M. on their 1986 album ''Lifes Rich Pageant'' {{disambiguation, geo, ship ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cuyahoga Falls, Ohio
Cuyahoga Falls ( or ) is a city in Summit County, Ohio, United States. As of the 2020 census, the city population was 51,114. The second-largest city in Summit County, it is located directly north of Akron and is a suburb of the Akron metropolitan area. The city was founded in 1812 by William Wetmore and was originally named Manchester, but renamed for the Cuyahoga River and the series of waterfalls that run along the southern boundary of the city. History Cuyahoga Falls was formed in 1812Information Services Department, City of Cuyahoga Falls, Ohio (2005)History Retrieved May 7, 2005. near the junction of what was then Northampton, Stow, Tallmadge, and Portage townships. The focus was the series of Cuyahoga River waterfalls that provided power for manufacturing. In 1812, Kelsey and Wilcox built a dam on the Cuyahoga River at a place where a railroad bridge crossed it in 1876. They then built a flour mill, an oil mill, and a saw mill. This led to the construction of a n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mary Campbell Cave
Mary Campbell Cave, also known as Old Maid's Kitchen, is a small secondary rock shelter in Cuyahoga Falls, Ohio. The cliff and cave roof are sandstone of the Sharon Formation, while the cave wall is shale of the Meadville formation. The cavity in the cliff was formed when water passing through the porous sandstone eroded the shale, leaving a ground-level cavity beneath the cliff. The cave is currently part of the Gorge Park, administered by Summit County Metroparks, and is accessible by Gorge Trail. It is located on the north wall of the gorge overlooking the Cuyahoga River. Elevation of floor is approximately AMSL Height above mean sea level is a measure of the vertical distance (height, elevation or altitude) of a location in reference to a historic mean sea level taken as a vertical datum. In geodesy, it is formalized as ''orthometric heights''. The comb .... The cave is notable as the temporary home of Mary Campbell.Cherry, Peter Peterson: ''The Portage Path'', page ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Peninsula, Ohio
Peninsula is a village in Summit County, Ohio Ohio () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Of the List of states and territories of the United States, fifty U.S. states, it is the List of U.S. states and territories by area, 34th-l ..., United States. The population was 565 at the 2010 census. It is part of the Akron, Ohio, Akron Akron metropolitan area, Metropolitan Statistical Area. Peninsula is in the middle of the Cuyahoga Valley National Park, which provides a source of tourism to the village. Blossom Music Center is located on its outskirts. The Ohio and Erie Canal Towpath Trail runs through just west of downtown, and many bikers and hikers stop for refreshments because it is one of the few towns between Akron and Cleveland. Peninsula is bordered on the east by Boston Heights, Ohio, Boston Heights. It is a part of Boston Township, Summit County, Ohio, Boston Township. More than 20 places in Peninsula are l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cuyahoga Valley National Park
Cuyahoga Valley National Park is an American national park that preserves and reclaims the rural landscape along the Cuyahoga River between Akron and Cleveland in Northeast Ohio. The park is administered by the National Park Service, but within its boundaries are areas independently managed as county parks or as public or private businesses. Cuyahoga Valley was originally designated as a National Recreation Area in 1974, then redesignated as a national park 26 years later in 2000, and remains the only national park that originated as a national recreation area. Cuyahoga Valley is the only national park in the state of Ohio and one of three in the Great Lakes Basin, with Isle Royale National Park in Lake Superior and Indiana Dunes National Park bordering Lake Michigan. Cuyahoga Valley also differs from the other national parks in America in that it is adjacent to two large urban areas and it includes a dense road network, small towns, four reservations of the Cleveland Metroparks ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sandstone
Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks. Most sandstone is composed of quartz or feldspar (both silicates) because they are the most resistant minerals to weathering processes at the Earth's surface. Like uncemented sand, sandstone may be any color due to impurities within the minerals, but the most common colors are tan, brown, yellow, red, grey, pink, white, and black. Since sandstone beds often form highly visible cliffs and other topographic features, certain colors of sandstone have been strongly identified with certain regions. Rock formations that are primarily composed of sandstone usually allow the percolation of water and other fluids and are porous enough to store large quantities, making them valuable aquifers and petroleum reservoirs. Quartz-bearing sandstone can be changed into quartzite through metamorphism, usually r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pennsylvanian (geology)
The Pennsylvanian ( , also known as Upper Carboniferous or Late Carboniferous) is, in the ICS geologic timescale, the younger of two subperiods (or upper of two subsystems) of the Carboniferous Period. It lasted from roughly . As with most other geochronologic units, the rock beds that define the Pennsylvanian are well identified, but the exact date of the start and end are uncertain by a few hundred thousand years. The Pennsylvanian is named after the U.S. state of Pennsylvania, where the coal-productive beds of this age are widespread. The division between Pennsylvanian and Mississippian comes from North American stratigraphy. In North America, where the early Carboniferous beds are primarily marine limestones, the Pennsylvanian was in the past treated as a full-fledged geologic period between the Mississippian and the Permian. In parts of Europe, the Mississippian and Pennsylvanian are one more-or-less continuous sequence of lowland continental deposits and are grouped ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., federal district, five major unincorporated territories, nine United States Minor Outlying Islands, Minor Outlying Islands, and 326 Indian reservations. The United States is also in Compact of Free Association, free association with three Oceania, Pacific Island Sovereign state, sovereign states: the Federated States of Micronesia, the Marshall Islands, and the Palau, Republic of Palau. It is the world's List of countries and dependencies by area, third-largest country by both land and total area. It shares land borders Canada–United States border, with Canada to its north and Mexico–United States border, with Mexico to its south and has maritime borders with the Bahamas, Cuba, Russia, and other nations. With a population of over 333 million, it is the List of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Saunders_Quarry-1.jpg "Click for more on -> Sandstone")
