Blog page 52




                                               

Sonai River

The Sonai River was a river in the North 24 Parganas district of West Bengal, India. Human development activity filled in portions of the river, leaving only sporadic ponds with many dried sections of the river route. Drained areas near Amudia an ...

                                               

Devils Backbone (rock formation)

Devils Backbone is a rock formation and peninsula formed by the flow of Fourteen Mile Creek into the Ohio River, and is currently situated in Charlestown State Park near Charlestown, Indiana and across the Ohio River from Louisville, Kentucky. Ac ...

                                               

Glacial striation

Glacial striations are scratches or gouges cut into bedrock by glacial abrasion. These scratches and gouges were first recognized as the result of a moving glacier in the late 18th century when Swiss alpinists first associated them with moving gl ...

                                               

Roche moutonnee

In glaciology, a roche moutonnee is a rock formation created by the passing of a glacier. The passage of glacier ice over underlying bedrock often results in asymmetric erosional forms as a result of abrasion on the "stoss" side of the rock and p ...

                                               

South Småland peneplain

The South Småland peneplain is a large flattish erosion surface, a peneplain, formed during the Tertiary, covering large swathes of southern Småland and nearby areas in Southern Sweden. To the east the South Småland peneplain bounds with the Sub- ...

                                               

Kleines Torl

The Kleines Torl is a wind gap at an altitude of 2.102 metres in the eastern part of the Kaisergebirge mountain range in the Austrian federal state of Tyrol. Viewed from the village of Going to the south, it can be clearly distinguished as a notc ...

                                               

Esker

An esker, eskar, eschar, or os, sometimes called an asar, osar, or serpent kame, is a long, winding ridge of stratified sand and gravel, examples of which occur in glaciated and formerly glaciated regions of Europe and North America. Eskers are f ...

                                               

Bradford Kames

Bradford Kames is the name given to a Site of Special Scientific Interest in north Northumberland, England. The site is an esker, a ridge of glacial till deposited in the Pleistocene epoch.

                                               

Biddeford Pool

Biddeford Pool is a large tidal pool, located off Saco Bay south of the mouth of the Saco River on the south coast of Maine. It is approximately 6 miles southeast of downtown Biddeford, to which it is connected via State Route 208. The town of Ke ...

                                               

Hamelin Pool Marine Nature Reserve

The Hamelin Pool Marine Nature Reserve is a protected marine nature reserve located in the UNESCO World Heritage–listed Shark Bay in the Gascoyne region of Western Australia. The 127.000-hectare nature reserve boasts the most diverse and abundant ...

                                               

Hexagon pool

The Hexagons Pool is a natural pool in the Meshushim Reserve, part of the Yehudiya Forest Nature Reserve, in the central Golan Heights. The pool, at the bottom of a canyon, is named after the shape of the hexagonal basalt columns that make up its ...

                                               

Wallasey Pool

Wallasey Pool was a natural tidal inlet of water that separated the towns of Wallasey and Birkenhead on the Wirral Peninsula, England. Originally flowing directly into the River Mersey, it was converted into the sophisticated Birkenhead Dock syst ...

                                               

Behemoth Rapid

The Begemoth rapid are Class 5 rapids on the Chuya River in the Altai mountains, Russia. The length of the rapid is approximately 400 meters. Begemoth Rapid is located close to the Federal Highway R256 and it is easily accessible from the road. I ...

                                               

Grandtully rapids

Grandtully rapids on the River Tay is a site for canoeing and rafting in Scotland. Grandtully rapids is made of top falls, the middle rapids, boat breaker clue in the name and fourth falls. There is a nearby campsite, a converted train goods yard ...

                                               

Horizon Rapid

The Horizon Rapid are Class 5 rapid on the Chuya River in the Altai mountains, Russia. Horizon Rapid is located close to the Federal Highway R256 near the 371 kilometer sign. It is located right after Turbinny Rapid in 600 meters down to the rive ...

                                               

St Johns Rapids

St. Johns rapids was a stretch of fast flowing water on the Vltava. It was situated at the place of todays Stechovice Reservoir.

                                               

Storforsen

Storforsen is a waterfall on the Pite River in Swedish Norrbottens lan is located approximately 38 km northwest of Alvsbyn. With an average flow of 250 m 3 /s, the rapids are one of the biggest in Europe. The rapids stretch over a distance of 5 k ...

                                               

Turbinny Rapid

The Turbinny Rapid are Class 4 or 5 rapid on the Chuya River in the Altai mountains, Russia. Turbinny Rapid is located close to the Federal Highway R256 near the 371 kilometer sign. The total length of the rapid is about 25 meters and the drop is ...

                                               

Moola Chotok

Moola Chotok is a hidden ravine located in the middle of the Khuzdar District in the southern province of Balochistan, Pakistan. It is situated approximately 105 kilometres north-east of Khuzdar at an elevation of 1.237 metres. Surrounded by tall ...

                                               

Vale of Avoca (bridge)

Vale of Avoca is the name of a large viaduct which carries St. Clair Avenue East over a ravine of the same name, in Toronto, Canada. Located just east of Yonge Street, the current triple arch bridge, also known as the St. Clair Viaduct, was built ...

                                               

Klinge (landform)

Klingen are small, narrow, steep V-shaped valleys formed by the erosive forces of water and suspended abrasive particles, gravel and pebbles. They are usually side valleys without a discernible valley floor that lead into a main valley. Further i ...

                                               

Longitudinal valley

A longitudinal valley is an elongated valley found between two almost parallel mountain chains in geologically young fold mountains such as the Alps, Carpathians, Andes or the highlands of Central Asia. They are often occupied and shaped by a sub ...

                                               

Transverse valley

A transverse valley is a valley which cuts at right angles across a ridge or, in mountainous terrain a valley that generally runs at right angles to the line of the main mountain chain or crest. Its geomorphological counterpart is the longitudina ...

                                               

List of lava domes

Lava domes are common features on volcanoes around the world. Lava domes are known to exist on plate margins as well as in intra-arc hotspots, and on heights above 6000 m and in the sea floor. Individual lava domes and volcanoes featuring lava do ...

                                               

Abra Granada

Abra Granada is a volcanic complex in the Puna de Atacama in Bolivia. It is located approximately 45 kilometres north of Pirquitas and is composed from a lava dome, lavas and dacitic ignimbrites centering on Cerro Granada) and are dated 9.8-7.8 M ...

                                               

Atwell Peak

Atwell Peak is a dramatic pyramid shaped volcanic peak located at the southern edge of Mount Garibaldi, British Columbia, Canada. Atwell Peak was formed during an initial period of volcanism 0.51-0.22 million years ago and was the source of many ...

                                               

Ben Lomond (Waikato)

Ben Lomond is a rhyolite lava dome near Lake Taupo in New Zealands North Island. Located about eight kilometres north-northeast of Kinloch, it rises to a height of 744 metres above sea level. Ben Lomond erupted about 100.000 years ago, producing ...

                                               

Big Southern Butte

Big Southern Butte is the largest and youngest of three rhyolitic domes formed over a million years near the center of the Eastern Snake River Plain in the U.S. state of Idaho. In fact, it is one of the largest volcanic domes on earth. It rises a ...

                                               

Black Butte (Siskiyou County, California)

Black Butte is a cluster of overlapping dacite lava domes in a butte, a satellite cone of Mount Shasta. It is located directly adjacent to Interstate 5 at milepost 742 between the city of Mount Shasta and Weed, California. The highway crosses a 3 ...

                                               

Cartoona Peak

Cartoona Peak, also unofficially called Cartoona Ridge, is a volcanic peak in northern British Columbia, Canada, located just southeast of Coffee Crater in Mount Edziza Provincial Park.

                                               

Casa Colorada (volcano)

Casa Colorada is a dacitic volcanic dome complex erupted 17 million years ago. It has a volume of 1.5 cubic kilometres. The complex formed in three stages, involving a tuff ring, lava domes and dacitic lava flows. It is constructed on red beds an ...

                                               

Cerro Bonete

Cerro Bonete is a mountain in the north of the province of La Rioja, Argentina, near the provincial border with Catamarca. Its summit is 6.759 m above mean sea level, making it the fifth-highest separate mountain in the Americas. SRTM data dispro ...

                                               

Cerro Bonete (Lipez)

Cerro Bonete is a volcano in Sur Lipez. It is part of the Cordillera de Lipez and is 5.630 metres high. The volcano is of Miocene age and formed by potassium-rich felsic rocks. It is associated with the 15 mya South Lipez ignimbrites. Volcanism i ...

                                               

Cerro Chanka

Cerro Chanka is a Pleistocene lava dome in the Andes. It is part of the Altiplano-Puna volcanic complex. Potassium-argon dating indicates that the dome last erupted 119.8±5.4 ka ago. Another reported age is 1.5±0.1 mya. The dome is located on the ...

                                               

Cerro Chao

Cerro Chao is a lava flow complex associated with the Cerro del Leon volcano in the Andes. It is the largest known Quaternary silicic volcano body and part of the most recent phase of activity in the Altiplano–Puna volcanic complex. Cerro Chao fo ...

                                               

Chaos Crags

Chaos Crags is the youngest group of lava domes in Lassen Volcanic National Park, California. They formed as six dacite domes 1.100-1.000 years ago, one dome collapsing during an explosive eruption about 70 years later. The eruptions at the Chaos ...

                                               

Chato Aislado

Chato Aislado is a volcano in Chile. Chato Aislado is part of the High Andes of Chile, between 25° and 26°30′ degrees south. The Andes there at altitudes over 3.500 metres 11.500 ft feature a number of volcanoes, as well as products of eruptive a ...

                                               

Chaxas (volcano)

Chaxas is a lava dome complex which has been the source of the 1.09±0.56 mya Chaxas ignimbrite in the Andes. The ignimbrite dips away from the domes and are partially younger than the Puripicar ignimbrite. The dome has a diameter of 5 kilometres ...

                                               

Chinchillas (lava dome)

Chinchillas is a lava dome complex in the northern Puna of the Andes, in the Sierra de Rinconada. The complex is constructed on an Ordovician basement called the Acoite Formation. In addition to the dacitic lava dome on the southern end of the co ...

                                               

Cinnamon Butte

Cinnamon Butte is a group of cinder cone volcanoes and lava domes in the Cascade Range of Oregon. All of the vents are older than approximately 6.845 years as they are all covered in ash from the eruption of Mount Mazama.

                                               

Coso Volcanic Field

The Coso Volcanic Field is located in Inyo County, California, at the western edge of the Basin and Range geologic province and northern region of the Mojave Desert. The Fossil Falls are part of the Coso Field, created by the prehistoric Owens Ri ...

                                               

Diky Greben

Diky Greben is a lava dome complex located in the southern part of Kamchatka Peninsula, Russia. Kurile Lake caldera is located immediately to the east.

                                               

Double Glacier

Double Glacier is an 11 mi long glacier in the Kenai Peninsula Borough of Alaska, located 47 mi west-northwest of Kenai. As its name suggests, Double Glacier is divided into two lobes. An unnamed lava dome complex of Pleistocene age forms a nunat ...

                                               

Mount Edziza volcanic complex

The Mount Edziza volcanic complex is a large and potentially active north-south trending complex volcano in Stikine Country, northwestern British Columbia, Canada, located 38 kilometres southeast of the small community of Telegraph Creek. It occu ...

                                               

Mount Elden

Mount Elden or Elden Mountain is located in central Coconino County northeast of Flagstaff, Arizona. It takes its name from one of the regions earliest Anglo settlers, John Elden, who, along with his family, established a homestead on the mountai ...

                                               

Mont Gerbier de Jonc

Mont Gerbier de Jonc is a mountain of volcanic origin located in the Massif Central in France. It is made of a type of rock called phonolite. It rises to an altitude of 1.551 m, and its base contains three springs that are the source of the Loire ...

                                               

Glacier Dome

Glacier Dome is a lava dome in northwestern British Columbia, Canada, located near Mount Edziza in Mount Edziza Provincial Park. It last erupted during the Pleistocene epoch.

                                               

Glacier Pikes

Glacier Pikes is a Lava dome, located in the Garibaldi Lake volcanic field, British Columbia, Canada. The dome has two rocky points at the southern end of the Sentinel Glacier Neve.

                                               

Gollu Dağ

Gollu is a lava dome located in central Turkey. The volcano has produced rhyolite, dacite and basalt. The lavas have been dated at 1.33 to 0.84 million years by fission track dating of obsidian. The dome lies above the Tertiary Derinkuyu caldera.

                                               

Gyali

Gyali is a volcanic Greek island in the Dodecanese, located halfway between the south coast of Kos and Nisyros. It consists of rhyolitic obsidian lava domes and pumice deposits. The island has two distinct segments, with the northeastern part alm ...