1 Geology A half-open steep-sided hollow at the head of a valley or on a mountainside, formed by glacial erosion. (geology) jump to other results. A horn results when glaciers erode three or more arêtes, usually forming a sharp-edged peak. cirque. 2. The highest cliff often is called a headwall. a round hollow area in the side of a mountain see also corrie, cwm. (originally referring to … No available dictionary or textbook definition of ' glacial cirque' serves this purpose. Arch, Utah. Because the term \"talus\" incorporates the concept of a pile, many geologists prefer it to \"talus pile\" and reserve the term \"talus slope\" for specific reference to the surface of the talus. Good example of a cirque : What does cirques mean? Cirque meaning and definition of cirque. Typically, a cirque has a lip at its lower end. All Free. ; Deep and narrow canons are common, and, at higher levels, glaciers, carved out amphitheatres, or " cirques" and " U "-shaped troughs. The term is French and is derived from the Latin word circus. 1894. /sɜːrk/. A moraine is material left behind by a moving glacier.This material is usually soil and rock.Just as rivers carry along all sorts of debris and silt that eventually builds up to form deltas, glaciers transport all sorts of dirt and boulders that build up to form moraines. Paternoster lakes are created by recessional moraines, or rock dams, that are formed by the advance and subsequent upstream retreat and melting of the ice. Undergraduate 1. A cirque is a landform found among mountains as a result of alpine glaciers. circus; circle, circlet; a deep steep-walled basin on a mountain usually forming the blunt end of a valley… See the full definition cirque definition: 1. a hollow area almost surrounded by steep slopes at the top of a glaciated valley: 2. a hollow…. late 17th cent. /sɜːk/. Definition. 11) poetic a circle, circlet, or ring Word Origin for cirque Definition of cirques in the Definitions.net dictionary. Geology vocabulary, Geology word list - a free resource used in over 40,000 schools to enhance vocabulary mastery & written/verbal skills with Latin & Greek roots. Plucking is the process of glacial erosion where rocks and debris from the bedrock became embedded into the base and the sides of the glacier. ( sɜːk) n. 1. Courty, the president, was known only since the meeting at the Cirque. Cirque . Yosemite National Park is famous for its spectacular glacially carved landscape. A cirque (French: ; from the Latin word circus) is an amphitheatre-like valley formed by glacial erosion. This snow accumulated in the pre-glacier hollow which eventually becomes a deep cirque due to plucking, abrasion and nivation. A cirque (fig. It generally results from erosion beneath the bergschrund of a glacier. 3. poetic a circle, circlet, or ring. Cirques are concave, circular basins carved by the base of a glacier as it erodes the landscape. cirques definition: Noun 1. plural form of cirque... Local glaciation has modified the higher levels of the Bighorn Mountains, giving glacial cirques, alpine peaks and many mountain lakes and waterfalls. How many glacier ages were during Precambrian? 8) is shaped something like an office arm-chair. Although glaciers have come and gone many times in the past, there are still two active glaciers near Yosemite's highest peaks. Typically, glaciers exist and may even form in areas where: mean annual temperatures are … Yosemite Nature Notes 12: Glaciers. Geology. Meaning of cirques. Geography a semicircular or crescent-shaped basin with steep sides and a gently sloping floor formed in mountainous regions by the erosive action of a glacier 2. Information and translations of cirques in the most comprehensive dictionary definitions resource on … When more than two arêtes meet, this is a horn. The word is derived from the Old Norse word tjörn ("a small mountain lake without tributaries") meaning pond. North-looking oblique aerial photograph showing an ice and snow-filed cirque in the accumulation area of the Fairweather Range, east of Mount Fairweather, Glacier Bay National Park, Alaska. In parts of Northern England - predominantly Cumbria but also areas of North Lancashire and North Yorkshire - 'tarn' is widely used as the name for small lakes or ponds, regardless of their location and origin (e.g. Three 2.2 by, 700 my (snowball earth), 500my: Term. Level. My family had also gone to the Cirque Napolon and came to find me at once. Created. Term. Corrie definition: a round hollow in a hillside | Meaning, pronunciation, translations and examples Word Origin. Paternoster lakes occur in alpine valleys, climbing one after the other to the valley's head, called a corrie, which often contains a cirque lake. A glacier is a large, perennial accumulation of crystalline ice, snow, rock, sediment, and often liquid water that originates on land and moves down slope under the influence of its own weight and gravity. We agreed that ' cirque ' should be defined morphologically An arête is the edge that forms in the land from cirque erosion, or when two cirque glaciers form up against each other, creating that sharp edge. cirque 1. They may be up to a square kilometre in size, situated high on a mountainside near the firn line, and typically are partially surrounded on three sides by steep cliffs. Cirque, (French: “circle”), amphitheatre-shaped basin with precipitous walls, at the head of a glacial valley. cirque. (Physical Geography) Also called: corrie or cwm a semicircular or crescent-shaped basin with steep sides and a gently sloping floor formed in mountainous regions by the erosive action of a glacier. There are different ways to classify landforms, but there are three general categories: … Also called: corrie, cwm a semicircular or crescent-shaped basin with steep sides and a gently sloping floor formed in mountainous regions by the erosive action of a glacier archaeol an obsolete term for circle (def. It took some time for opposition to build up to the operational definition of ' cirque' pre-circulated by Evans, but once criticism started discussion became lively and many alterations were made. Definition. What are the dates for the two most recent ice ages? Literary Devices: Definition & Examples Introduction to Physical Geology: Help and Review Science 101: Intro to Natural Sciences The Matterhorn in Switzerland is a horn carved away by glacial erosion. 12/07/2009. I went to the Cirque with my cousin, and we dined in the Palais Royal. Alternative names for this landform are corrie (from Scottish Gaelic coire, meaning a pot or cauldron) and cwm (Welsh for 'valley'; pronounced ). Much like "continent," "planet" is a word without a precise definition, with history and culture playing as much of a role as geology and astrophysics Click on the first letter of the word you would like to look up Learn more. Talkin Tarn, Urswick Tarn, Malham Tarn). It generally results from erosion beneath the bergschrund of a glacier. The following texts are the property of their respective authors and we thank them for giving us the opportunity to share for free to students, teachers and users of the Web their texts will used … noun. (Archaeology) archaeol an obsolete term for circle 11. Meaning of cirque . —Credit: Photograph by Harry Fielding Reid. cirque - WordReference English dictionary, questions, discussion and forums. A cirque may also be a similarly shaped landform arising from fluvial erosion.

cirque definition geology

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