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Devilstep Hollow Cave
Devilstep Hollow Cave is a natural limestone cave located within Justin P. Wilson Cumberland Trail State Park. The cave, part of the Mill Cave System, drains Grassy Cove, which is the largest sinkhole in North America. It contains numerous instances of Mississippian era Native American cave art In archaeology, Cave paintings are a type of parietal art (which category also includes petroglyphs, or engravings), found on the wall or ceilings of caves. The term usually implies prehistoric origin, and the oldest known are more than 40,000 ye .... The entrance is 125 feet by 150 feet. The cave stream forms the nearby Head of Sequatchie spring, the source of the Sequatchie River. Artwork The artwork within Devilstep Hollow Cave was created by the Mississippian culture, and contains 22 known images.These include woodpeckers, fish, and an image of the falcon man. The glyphs are thought to be around 1,100 years years old.{{Cite journal , last=Faulkner , first=Charles , date=December ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Limestone
Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms when these minerals precipitate out of water containing dissolved calcium. This can take place through both biological and nonbiological processes, though biological processes, such as the accumulation of corals and shells in the sea, have likely been more important for the last 540 million years. Limestone often contains fossils which provide scientists with information on ancient environments and on the evolution of life. About 20% to 25% of sedimentary rock is carbonate rock, and most of this is limestone. The remaining carbonate rock is mostly dolomite, a closely related rock, which contains a high percentage of the mineral dolomite, . ''Magnesian limestone'' is an obsolete and poorly-defined term used variously for dolomite, for lime ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cave
A cave or cavern is a natural void in the ground, specifically a space large enough for a human to enter. Caves often form by the weathering of rock and often extend deep underground. The word ''cave'' can refer to smaller openings such as sea caves, rock shelters, and grottos, that extend a relatively short distance into the rock and they are called ''exogene'' caves. Caves which extend further underground than the opening is wide are called ''endogene'' caves. Speleology is the science of exploration and study of all aspects of caves and the cave environment. Visiting or exploring caves for recreation may be called ''caving'', ''potholing'', or ''spelunking''. Formation types The formation and development of caves is known as '' speleogenesis''; it can occur over the course of millions of years. Caves can range widely in size, and are formed by various geological processes. These may involve a combination of chemical processes, erosion by water, tectonic forces, microorgan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Justin P
Justin may refer to: People * Justin (name), including a list of persons with the given name Justin * Justin (historian), a Latin historian who lived under the Roman Empire * Justin I (c. 450–527), or ''Flavius Iustinius Augustus'', Eastern Roman Emperor who ruled from 518 to 527 * Justin II (c. 520–578), or ''Flavius Iustinius Iunior Augustus'', Eastern Roman emperor who ruled from 565 to 578 * Justin (magister militum per Illyricum) (''fl.'' 538–552), a Byzantine general * Justin (Moesia), a Byzantine general killed in battle in 528 * Justin (consul 540) (c. 525–566), a Byzantine general * Justin Martyr (103–165), a Christian martyr * Justin (gnostic), 2nd-century Gnostic Christian; sometimes confused with Justin Martyr * Justin the Confessor (d 269) * Justin of Chieti, venerated as an early bishop of Chieti, Italy * Justin of Siponto (c. 4th century), venerated as Christian martyrs by the Catholic Church * Justin de Jacobis (1800–1860), an Italian Lazarist mi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grassy Cove
Grassy Cove is an enclosed valley in Cumberland County, Tennessee, United States. The valley is notable for its karst formations, which have been designated a National Natural Landmark. Grassy Cove is also home to a small unincorporated community. Grassy Cove is located atop the Cumberland Plateau, approximately east of Crossville and west of the plateau's Walden Ridge escarpment. The mountains that surround the cove are part of the southern fringe of the Cumberland Mountains. The cove is geologically related to the Sequatchie Valley, a large narrow valley stretching just opposite the mountains to the south. Tennessee State Route 68 passes through the northern part of Grassy Cove, providing the valley's only major road access. Geology Grassy Cove is walled in by Brady Mountain to the west, Bear Den Mountain on the east, and Black Mountain to the north. Brady and Bear Den both converge in a V-shaped formation to enclose the cove to the south. Just beyond this convergence, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mississippian Culture
The Mississippian culture was a Native American civilization that flourished in what is now the Midwestern, Eastern, and Southeastern United States from approximately 800 CE to 1600 CE, varying regionally. It was known for building large, earthen platform mounds, and often other shaped mounds as well. It was composed of a series of urban settlements and satellite villages linked together by loose trading networks. The largest city was Cahokia, believed to be a major religious center located in what is present-day southern Illinois. The Mississippian way of life began to develop in the Mississippi River Valley (for which it is named). Cultures in the tributary Tennessee River Valley may have also begun to develop Mississippian characteristics at this point. Almost all dated Mississippian sites predate 1539–1540 (when Hernando de Soto explored the area), with notable exceptions being Natchez communities. These maintained Mississippian cultural practices into the 18th cen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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