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Old Port Formation
The Devonian Old Port Formation is a mapped bedrock unit in Pennsylvania, USA. Details of the type section and of stratigraphic nomenclature for this unit as used by the U.S. Geological Survey are available on-line at the National Geologic Map Database. Current nomenclature usage by U.S. Geological Survey restricts the name Old Port Formation to Pennsylvania, but correlative units are present in adjacent states. Description The Old Port Formation consists of limestone, sandstone, shale, and chert. Stratigraphic Setting The Old Port Formation is divided into several members with varying lithologies, which are (in ascending stratigraphic order): New Creek Member (limestone), Corriganville Member (limestone), Mandata Member (shale), Shriver Member (cherty limestone), and Ridgeley Member (sandstone). Where the Shriver Chert does not occur it may be replaced by the Licking Creek Limestone. It was originally combined from the Helderberg Group and Oriskany Group by Conlin and Hoski ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Devonian
The Devonian ( ) is a geologic period and system of the Paleozoic era, spanning 60.3 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya. It is named after Devon, England, where rocks from this period were first studied. The first significant adaptive radiation of life on dry land occurred during the Devonian. Free-sporing vascular plants began to spread across dry land, forming extensive forests which covered the continents. By the middle of the Devonian, several groups of plants had evolved leaves and true roots, and by the end of the period the first seed-bearing plants appeared. The arthropod groups of myriapods, arachnids and hexapods also became well-established early in this period, after starting their expansion to land at least from the Ordovician period. Fish reached substantial diversity during this time, leading the Devonian to often be dubbed the Age of Fishes. The placoderms began dominat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shirleysburg, Pennsylvania
Shirleysburg is a borough in Huntingdon County, Pennsylvania, United States. The population was 150 at the 2010 census. History Shirleysburg was originally the site of, and takes its name from Fort Shirley, a French and Indian War fort. During this period, in 1754 ''Monacatoocha'' (''Scarouady'') led about 200 French-allied Native Americans: Iroquois, Lenape, and Shawnee from their village of Logstown on the western frontier to take refuge near here. The narrow gauge East Broad Top Railroad (EBT) was constructed through Shirleysburg in 1873. It continued to serve the town for 83 years, until it ceased operations in 1956. Since 1960 EBT tourist trains have operated from Rockhill to Colgate Grove, just south of town, where a wye was constructed to turn trains. The inactive tracks pass through the community on their way to Mount Union. The Benjamin B. Leas House was listed on the National Register of Historic Places in 1984. Geography Shirleysburg is located in southeastern H ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chonetes
''Chonetes'' is an extinct genus of brachiopods. It ranged from the Late Ordovician to the Middle Jurassic. Species The following species of ''Chonetes'' have been described: * ''C. (Paeckelmannia)'' * ''C. baragwanathi'' * ''C. billingsi'' (Floresta Formation The Floresta Formation ( es, Formación Floresta, Df) is a geological formation of the Altiplano Cundiboyacense in the Eastern Ranges of the Colombian Andes. The sequence of siltstones, shales, coquinas and sandstone beds dates to the Devonia ..., Colombia)Floresta Fauna at Fossilworks.org * ''C. burlingtonensis'' * ''C. chamishkjensis'' * ''C. chaoi'' * ''C. cherokeensis'' * ''C. chesterensis'' * ''C. compressa'' * ''C. comstockii'' (Florest ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brachiopod
Brachiopods (), phylum Brachiopoda, are a phylum of trochozoan animals that have hard "valves" (shells) on the upper and lower surfaces, unlike the left and right arrangement in bivalve molluscs. Brachiopod valves are hinged at the rear end, while the front can be opened for feeding or closed for protection. Two major categories are traditionally recognized, articulate and inarticulate brachiopods. The word "articulate" is used to describe the tooth-and-groove structures of the valve-hinge which is present in the articulate group, and absent from the inarticulate group. This is the leading diagnostic skeletal feature, by which the two main groups can be readily distinguished as fossils. Articulate brachiopods have toothed hinges and simple, vertically-oriented opening and closing muscles. Conversely, inarticulate brachiopods have weak, untoothed hinges and a more complex system of vertical and oblique (diagonal) muscles used to keep the two valves aligned. In many brachiopods, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tyrone, Pennsylvania
Tyrone is a borough in Blair County, Pennsylvania, northeast of Altoona, on the Little Juniata River. Tyrone was of considerable commercial importance in the twentieth century. It was an outlet for the Clearfield coal fields and was noted for manufacturing paper products. There were planing mills and chemical and candy factories. In 1900, 5,847 people lived here; in 1910, 7,176; and in 1940, 8,845 people resided here. The population was 5,477 at the 2010 census. It is part of the Altoona, PA Metropolitan Statistical Area. It was named after County Tyrone in Ireland. Located along the main lines of the Norfolk Southern and Nittany and Bald Eagle railroads, and U.S. Route 220, Pennsylvania Route 453, and Interstate 99 highways, Tyrone was at one time known as "The Hub of the Highways". In those days, four railroads ennsylvania, Tyrone and Clearfield, Tyrone and Lock Haven, Lewisburg, and Tyroneand three main highways S-220, PA-350, PA-453converged there. History The Tyron ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Franklin County, Pennsylvania
Franklin County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 155,932 Its county seat is Chambersburg. Franklin County comprises the Chambersburg–Waynesboro, PA Metropolitan Statistical Area, which is also included in the Washington–Baltimore–Arlington-DC–MD–VA–WV–PA Combined Statistical Area. It lies to a large extent within the Cumberland Valley. History Originally part of Lancaster County (1729), then York County (1749), then Cumberland County (1750), Franklin County became an independent jurisdiction on September 9, 1784, relatively soon after the end of the American Revolutionary War. It is named in honor of Founding Father Benjamin Franklin. Geography According to the U.S. Census Bureau, the county has a total area of , of which is land and (0.08%) is water. Franklin County is in the watershed of the Chesapeake Bay and the overwhelming majority of it is drained by the Potomac River, but the Conodoguine ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Warren Point, Pennsylvania
Warren Point is a former town in the southwest corner of Warren Township, Franklin County, Pennsylvania. It was located on the north side of Licking Creek, and at the southwest end of Keefer Mountain, and approximately two miles west of Yeakle Mill. It is present on old topographic maps (for example, Hancock Quadrangle of 1899), but is no longer labeled on later maps (for example, Cherry Run of 1951Cherry Run Quadrangle, West Virginia-Maryland-Pennsylvania, 7.5 Minute Series (Topographic), 1951. U.S. Geological Survey. Scale 1:24,000.). The Licking Creek Member of the Old Port Formation The Devonian Old Port Formation is a mapped bedrock unit in Pennsylvania, USA. Details of the type section and of stratigraphic nomenclature for this unit as used by the U.S. Geological Survey are available on-line at the National Geologic Map Da ... was first described a mile east of Warren Point. References {{authority control Geography of Franklin County, Pennsylvania Former popu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Licking Creek (Potomac River)
Licking Creek is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed August 15, 2011 tributary of the Potomac River in Pennsylvania and Maryland in the United States.Gertler, Edward. ''Keystone Canoeing'', Seneca Press, 2004. Licking Creek is born on the west slope of Tuscarora Mountain, near Cowans Gap State Park, flows through eastern Fulton County and a corner of Franklin County in Pennsylvania, and then enters Washington County in Maryland, to join the Potomac River downstream of Hancock. See also * List of Maryland rivers *List of rivers of Pennsylvania This is a list of streams and rivers in the U.S. state of Pennsylvania. By drainage basin This list is arranged by drainage basin, with respective tributaries indented under each larger stream's name. Delaware Bay Chesapeake Bay *'' ... References Rivers of Maryland Rivers of Pennsylvania Rivers of Washington County, Maryland Rivers of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hancock, Maryland
Hancock is a town in Washington County, Maryland, United States. The population was 1,546 at the 2010 census. The Western Maryland community is notable for being located at the narrowest part of the state. The north-south distance from the Pennsylvania state line to the West Virginia state line is only at Hancock. History The name Hancock comes from Edward Joseph Hancock, Jr., who fought alongside George Washington during the American Revolution. People started settling in the area of modern-day Hancock in the 1730s. During the Civil War, on January 5, 1862, General Stonewall Jackson started the siege of the town but did not succeed due to weather conditions. Geography Hancock is located at . According to the United States Census Bureau, the town has a total area of , of which is land and is water. The state of Maryland narrows to a width of less than two miles (3 km) in the Hancock area—the smallest non-vertex border-to-border distance of any U.S. state. The Che ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Everett, Pennsylvania
Everett is a borough in Bedford County, Pennsylvania, United States. The population was 1,775 at the 2020 census. Everett's original name was Bloody Run, after a creek that was the site of a battle between settlers and Native Americans. The town was renamed in honor of Massachusetts politician and orator Edward Everett. Bestselling American novelist Dean Koontz was born in Everett. History In 1787, Michael Barndollar purchased the land in this area, and laid out a town which was originally called Waynesburg. This name was never widely used and this small village was incorporated as a borough in November 1860, to be known as Bloody Run. While this name carries with it many interesting stories and much history, the name was changed in February 1873 to Everett. The Everett Historic District was added to the National Register of Historic Places in 2003. Image:Everett PA Mural.jpg, Mural on building along Main Street in Everett Image:Everett pa church.jpg, Everett United M ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Corriganville, Maryland
Corriganville is an unincorporated community and census-designated place (CDP) in Allegany County, Maryland, United States. As of the 2010 census it had a population of 455. Corriganville is part of the Cumberland, MD-WV Metropolitan Statistical Area. Geography Corriganville lies north of Cumberland at the confluence of Wills Creek and Jennings Run. Maryland Route 36 passes through Corriganville, and Maryland Route 35 heads north from there to Ellerslie. Demographics Cumberland Bone Cave In 1912, workers excavating a cut for the Western Maryland Railway broke into a partly filled cave along the western slope of Wills Mountain, near Corriganville. A local naturalist, Raymond Armbruster, observed fossil bones among the rocks that had been blasted loose and were being removed from the cut. Armbruster notified paleontologists at the Smithsonian Institution, and James W. Gidley began excavating that same year. The cave later became known as the Cumberland Bone Cave. Betwee ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pennsylvania Route 225
Pennsylvania Route 225 (PA 225) is a state highway located in Dauphin and Northumberland Counties in Pennsylvania. The southern terminus is at an interchange with U.S. Route 22 (US 22)/US 322 in Dauphin. The northern terminus is at PA 61 in Shamokin. PA 225 is mostly a two-lane undivided road running through mountain and valley areas in the central part of the state. The route serves the communities of Halifax, Elizabethville, Berrysburg, Pillow, and Trevorton. PA 225 intersects PA 325 north of Dauphin, PA 147 in Halifax, US 209 in Elizabethville, PA 25 in Berrysburg, and PA 890 in Trevorton. PA 225 was designated in 1928 to run from PA 25 in Berrysburg north to Shamokin, where it turned south and ended in Line Mountain. The route replaced a section of PA 45 between south of Herndon and Shamokin that had been designated a year earlier. The northern terminus of the route was truncated to US 122 (now PA 61) in Shamokin in the 1930s, with PA 125 replacing the secti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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