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Fissure meaning in geography

1. any long narrow cleft or crack, esp in a rock 2. a weakness or flaw indicating impending disruption or discord: fissures in a decaying empire. 3. (Anatomy) anatomy a narrow split or groove that divides an organ such as the brain, lung, or liver into lobes Fissure definition is - a narrow opening or crack of considerable length and depth usually occurring from some breaking or parting. How to use fissure in a sentence

In geology, a fissure is a fracture or crack in rock along which there is a distinct human courage captured by the acclaimed filmmakers of National Geographic A fissure vent, also known as a volcanic fissure, eruption fissure or simply a fissure, is a linear volcanic vent through which lava erupts, usually without any explosive activity.The vent is often a few metres wide and may be many kilometres long. Fissure vents can cause large flood basalts which run first in lava channels and later in lava tubes.After some time the eruption builds up spatter. The fissure was filled with darker fine to coarse-grained sediments that infiltrated the fissure during rain events. Isolated blocks of fine-grain sidewall material occur in the central portion of the fissure. The road building team mitigated the fissure by deploying a geosynthetic liner to isolate the fissure. Cost of mitigation was ~ $200,000

Fissure - definition of fissure by The Free Dictionar

Fissure Definition of Fissure by Merriam-Webste

An ocean vent sits over a deep fissure in the ocean floor. Ocean vents eject hot, often toxic, fluid s and gas es into the surrounding seawater. They often mark sites of tectonic activity, and create some of the most hostile habitats on Earth. Ocean vents are a type of hydrothermal vent Fissure In geology, a fissureis a fracture or crack in rock along which there is a distinct separation; fissuresare often filled with mineral-bearing materials. On volcanoes, a fissure is an elongate fracture or crack at the surface from which lavaerupts. Fissureeruptions typically dwindle to a central ventafter a period of hours or days

anal fissure (fissure in ano) a painful lineal ulcer at the margin of the anus. anterior median fissure a longitudinal furrow along the midline of the ventral surface of the spinal cord and medulla oblongata. fissure of Bichat transverse fissure (def. 2). branchial fissure pharyngeal groove The definition of a fissure is an opening in the Earth, or a disagreement or split on an issue. A long and narrow crack in the earth that forms an opening is an example of a fissure. When two members of a group have a disagreement and split on an issue, this is an example of a fissure a long, deep, narrow hollow area in a surface in the body, especially in the cerebral cortex (= the surface of the brain A fissure is a name for a tear that sometimes occurs in the outer layer of the tissue of the anal canal. This outermost tissue layer in this region is made of squamous epithelial cells

What is fissures in geography? - Answer

  1. Fissure vents are a type of volcano in which the lava eruptions through a linear volcanic vent. Usually these eruptions do not involve an explosion
  2. noun any long narrow cleft or crack, esp in a rock a weakness or flaw indicating impending disruption or discord fissures in a decaying empire anatomy a narrow split or groove that divides an organ such as the brain, lung, or liver into lobesSee also sulcu
  3. Brush up on your geography and finally learn what countries are in Eastern Europe with our maps. Maps of Europe . Meaning and Definition of. Find definitions for: fis•sure. Pronunciation: (fish'ur), fissure (Thesaurus) fissirostral fissure of Rolando

A caldera is a large depression formed when a volcano erupts and collapses. During a volcanic eruption, magma present in the magma chamber underneath the volcano is expelled, often forcefully. When the magma chamber empties, the support that the magma had provided inside the chamber disappears. As a result, the sides and top of the volcano collapse inward A fissure vent, also known as a volcanic fissure or simply fissure, is a linear volcanic vent through which lava erupts, usually without any explosive activity. The vent is usually a few meters wide and may be many kilometers long. Fissure vents can cause large flood basalts and lava channels. This type of volcano is usually hard to recognize.

Definition of fissure in the Definitions.net dictionary. Meaning of fissure. What does fissure mean? Information and translations of fissure in the most comprehensive dictionary definitions resource on the web Volcanic landforms are divided into extrusive and intrusive landforms based on whether magma cools within the crust or above the crust.; Rocks formed by the cooling of magma within the crust are called Plutonic rocks.; Rocks formed by the cooling of lava above the surface are called Igneous rocks.; In general, the term 'Igneous rocks' is used to refer to all rocks of volcanic origin

Fissure springs occur when groundwater comes out through large cracks in the ground, known as fissures. Faults are a great example of fissures, and sometimes these springs can even help scientists. Definition of Fissure. Noun 1. a long narrow depression in a surface (synonym) crevice, cranny, crack, chap (hypernym) depression, impression, imprint 2. a long narrow openin

The perennially frozen regions of the planet, including land-ice, sea-ice, permanent snow cover and permafrost. Another definition suggests it is the frozen water part of the hydrosphere (all the water on Earth) and includes continental and sea ice The superior orbital fissure is next to the optic canal which is next to the inferior orbital fissure. The Ethmoid bone (ethmos=sieve, mesh-like) The ethmoid bone is a tiny bone that has tiny little holes such as the olfactory foramina. The whole horizontal plate is called the cribriform plate that the holes are in Interhemispheric (Medial Longitudinal Fissure): This is a deep furrow located down the center of the brain that separates the left and right brain hemispheres. The corpus callosum, a wide ribbon of nerves, is located within this fissure. Fissure of Sylvius (Lateral Sulcus): This deep grove separates the parietal and temporal lobes

Fissure vent - Wikipedi

Earth Fissures & Ground Subsidence AZG

Coulees are magnificent geographical features common in southwestern parts of Canada and Northwestern regions of the United States.The word coulee is from the French-Canadian word coulee which in turn is a derivative of the French word couler which means 'to flow.' The name of these features is, therefore, an indication of how they form Here is the actual meaning: Folding - A bend that develops in an initially horizontal layer of rock, usually caused by plastic deformation. Folds occur most frequently in sedimentary rocks. Here it is in more simple terms: If you were riding a bicycle and ran into a large rock the metal on your bike might snap or it might bend Define Fissure needle. Fissure needle synonyms, Fissure needle pronunciation, Fissure needle translation, English dictionary definition of Fissure needle. a spiral needle for catching together the gaping lips of wounds. See also: Fissure Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam C Important Geography Terms for High School Students (terms taken from About.Com) absolute location. A point on the earth's surface expressed by a coordinate system such as latitude and longitude Magma that reaches the earth's surface through a volcanic vent or fissure. lingua franca. The language used by a population as their common language A volcano is a vent or fissure in Earth's crust through which lava, ash, rocks, and gases erupt. An active volcano is a volcano that has erupted in the recent past. The mantle contains a weaker zone known as the asthenosphere. Magma is the material present in the asthenosphere

Geologic Hazards: What You Need to Know About Earth

(a) Fissure type of volcanoes : A volcano is a vent in the earth's crust out of which hot molten rocks (lava) flow. The hot rocks may also eject violently in the form of solid pieces. If the vent is in the form of a long crack then it is knows as a Fissure Type Volcano the fissure separating the frontal, temporal, and parietal lobes of the cerebrum Icelandic eruptions are characterised by a persistent eruption along a fissure. Large volumes of basaltic lava form large horizontal plains or plateaux. The Deccan Plateaux is an example. Hawaiian eruptions. In Hawaiian eruptions, the lava is more basic and basaltic, with low gas pressures and low silica content. This means the lava is very runny

Fissure eruption. In Fissure volcanic eruptions, the Lava comes out to the surface through the cracks of the rock strata and hence the fissure eruptions are not much explosive. The fissure eruptions are smooth and the Lava spreads to a larger area, so they form landscapes such as plateaus etc Geography a wide, deep crack in the earth's surface. a wide split in opinions, etc., esp. one producing a break in relations: to overcome the great chasm between our two nations The longitudinal fissure (or cerebral fissure, median longitudinal fissure, interhemispheric fissure) is the deep groove that separates the two cerebral hemispheres of the vertebrate brain. Lying within it is a continuation of the dura mater (one of the meninges) called the falx cerebri

Fissure | definition of fissure by Medical dictionary

On Friday 19 th March 2021, a volcanic eruption began in south-west Iceland, near the capital, Reykjavik. The eruption near Mount Fagradalsfjall, about 20 miles southwest of Reykjavik, took place at 8:45 pm local time. Molten rock breached the surface in a valley near a flat-topped mountain named Fagradalsfjall (beautiful valley mountain), in the region of Geldingadalur (Dale of the Geldings. ADVERTISEMENTS: In this article we will discuss about:- 1. Meaning of Faults 2. Causes of Faulting 3. Effects 4. Recognition 5. Engineering Considerations 6. Examples. Meaning of Faults: Under the influence of stresses developing from within the Earth, the rock masses adjust themselves either by bending, when they lie deep below the surface (in zone [ A volcanic eruption occurs when molten rock, ash and steam pour through a vent in the earth's crust. Volcanoes are described as active (in eruption), dormant (not erupting at the present time), or extinct (having ceased eruption; no longer active) But the definition of a desert is really just an area of land that doesn't get more than 10 inches of precipitation a year. With that definition in mind, the world's largest desert is Antarctica. The Antarctic Polar Desert covers 5.5 million square miles, and its water is mostly locked in glacier s and ice sheet s, leaving little for plants and. n. The deepest and most conspicuous of the cortical fissures of the brain, extending between the frontal and temporal lobes, then back and slightly upward over the lateral aspect of the cerebral hemisphere. Also called fissure of Sylvius, lateral sulcus. [After Franciscus Sylvius (1614-1672), German-born Dutch physician and anatomist.

Welcome to the newly revamped Open Geography Education website. This website is dedicated to providing free, open curriculum and resources to anybody who is interested in our geographic world. Using the world as our contributors and content experts, we will strive to make the most engaging, dynamic, and relevant information possible Synonyms for fissure in Free Thesaurus. Antonyms for fissure. 49 synonyms for fissure: crack, opening, hole, split, gap, rent, fault, breach, break, fracture, rift. Definition of pit and fissure cavity in the Legal Dictionary - by Free online English dictionary and encyclopedia. What is pit and fissure cavity? geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit.

Crevasse Definition of Crevasse at Dictionary

Hikers Scramble as New Fissure Opens up at Icelandic... U.S. News & World Report - Associated Press • 9h. A new fissure has opened up at an Icelandic volcano that began erupting last month, prompting the evacuation of hundreds of hikers who had come to The northern segment of the Jordan Valley, known in Arabic as the Ghor, is the nation's most fertile region.It contains the Jordan River and extends from the northern border down to the Dead Sea. The Jordan River rises from several sources, mainly the Anti-Lebanon Mountains in Syria, and flows down into Lake Tiberias (the Sea of Galilee), 212 meters below sea level

Glossary of geography terms - Wikipedi

It is Fissure for the Ligamentum Teres Hepatis. Fissure for the Ligamentum Teres Hepatis listed as FLTH. Fissure for the Ligamentum Teres Hepatis - How is Fissure for the Ligamentum Teres Hepatis abbreviated? Suggest new definition. Want to thank TFD for its existence? Tell thesaurus, literature, geography, and other reference data is. Fissure vents are fractures formed by tensile stresses and fed from below by subsurface dikes. Although explosive eruptions and lava effusion can occur simultaneously over long portions of a fissure, activity often migrates along a fissure over time and becomes localized at a few discrete points, where cones and craters are likely to form

Definition. Lateral sulcus is one of the group of sulci and a most prominent brain section. It first arises around the 14th gestational week and originates earlier than all the other structures of the human brain. It is also called Sylvian fissure or lateral fissure. It is the name given to the deepest and largest indentation of the cortical sulci Chicago Tribune - REYKJAVIK, ICELAND — Steam and lava spurted Monday from a new fissure at an Icelandic volcano that began erupting last month, prompting the evacuation of hundreds of hikers who had come to see the spectacle. The new fissure, first spotted by a sightseeing helicopter, was about 500 meters long and

Category filter: Show All (29)Most Common (0)Technology (0)Government & Military (1)Science & Medicine (3)Business (8)Organizations (8)Slang / Jargon (13) Acronym Definition FOW Feelings of Warmth (psychology) FOW Friends of the Waterfront (various locations) FOW Full of Water (weight) FOW Flames of War (game) FOW Family of Women FOW Festival of Wreaths. The crater row is also known as Lakagígar, meaning the craters of Laki. The name Laki comes from Mount Laki, a mountain of volcanic origin that did not actually erupt in 1783, located roughly in the middle of the fissure (Figure 4). In English, the eruption is mainly known as the Laki Fissure eruption

What Is a Fissure? - Definition, Signs, Symptoms

Collateral. Related; indirect; not bearing immediately upon an issue. The property pledged or given as a security interest, or a guarantee for payment of a debt, that will be taken or kept by the creditor in case of a default on the original debt Collateral. Assets with monetary value, such as stock, bonds, or real estate, which are used to guarantee a loan, are considered collateral. If the borrower defaults and fails to fulfill the terms of the loan agreement, the collateral, or some portion of it, may become the property of the lender

Pit and fissure sealants

Ocean Vent National Geographic Societ

What does insula mean? An oval region found in each hemisphere of the cerebral cortex, lateral to the lentiform nucleus and situated within the.. The American Dental Association and the Surgeon General of the United States of America advocate the utilization of pit and fissure sealants as a primary preventive measure for dental caries (2,3), and the United States Department of Health and Human Services has established the goal that 50% of children (aged 8 and 14 years) have pit and fissure sealants on their permanent molars by the year. Santorini caldera is a large, mostly submerged caldera, located in the southern Aegean Sea, 120 kilometers north of Crete in Greece.Visible above water is the circular Santorini island group, consisting of Santorini (classic Greek Thera), the main island, Therasia and Aspronisi at the periphery, and the Kameni islands at the center. It has been designated a Decade Volcano Synonyms for Transverse fissure of liver in Free Thesaurus. Antonyms for Transverse fissure of liver. 3 words related to porta hepatis: orifice, porta, opening. What are synonyms for Transverse fissure of liver

USGS: Volcano Hazards Program Glossary - Fissur

The dike is shown by the orange line. The location is not exact but is taken as the approximate midline of the earthquake activity While moving north and south, the dike made a small change in direction, and at one place going south there was a bifurcation and the dike (as traced by the earthquakes) backtracked and went into a slightly different direction Fission definition is - a splitting or breaking up into parts. 2: reproduction by spontaneous division of the body into two or more parts each of which grows into a complete organis

Neuroanatomy exam 1 Flashcards | QuizletIntro to Geography: Exploring Silfra

Fissures - definition of fissures by The Free Dictionar

Facilitation Modification of a system that makes subsequent modifications easier. Facilitation Model of Succession This model of succession suggests that the change in plant species dominance over time is caused by modifications in the abiotic environment that are imposed by the developing community Fissure FTIR Fumarole. G. Glacier. H. Holocene Hydrology Hydrothermal explosion. I. Igneous ignimbrite Intrusive Isopach. K. K-Ar ka. L. Lahar Lateral Blast Lava Lava flow Lava fountain Lava lake Lava tube Lithic Littoral cone. M. Ma Maar Mafic Magma Magma chamber Mantle Moat Monogenetic. O. Obsidian Ophiolite. P. Pāhoehoe Paleomagnetic studie A turbulent mixture of gas and rock fragments, most of which are ash -sized particles, ejected violently from a crater or fissure. The mass of pyroclastics is normally of very high temperature and moves rapidly down the slopes or even along a level surface. Ashfall search for ter Glossary . aa lava - A type of basaltic lava (material) having a rough, jagged, clinkery surface and a vesicular interior. Compare - block lava, pahoehoe lava, pillow lava. GG & MA . aa lava flow - A type of basaltic lava flow dominated by aa lava and a characteristically rough, jagged, clinkery surface. Compare - block lava flow, pahoehoe lava flow, pillow lava flow

ISLANDS OF THE WORLD: Gran canaria island奇静脈とは - goo Wikipedia (ウィキペディア)

When a divergent boundary occurs beneath oceanic lithosphere, the rising convection current below lifts the lithosphere, producing a mid-ocean ridge. Extensional forces stretch the lithosphere and produce a deep fissure. When the fissure opens, pressure is reduced on the super-heated mantle material below Geography Abkhazia Ajara Armenia Azerbaijan Georgia From far and near Nagorno-Karabakh Russia South Ossetia is being monitored for landslide risks following the discovery of a fissure on slopes in the Georgian capital. Experts on the meaning behind Biden's statement on the Armenian genocide A dike or dyke, in geological usage, is a sheet of rock that is formed in a fracture of a pre-existing rock body. Dikes can be either magmatic or sedimentary in origin. Magmatic dikes form when magma flows into a crack then solidifies as a sheet intrusion, either cutting across layers of rock or through a contiguous mass of rock. Clastic dikes are formed when sediment fills a pre-existing crack

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