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ⓘ Dikes, geology ..


ⓘ Dikes (geology)

  • A dike or dyke, in geological usage, is a sheet of rock that is formed in a fracture in a pre - existing rock body. Dikes can be either magmatic or sedimentary
  • hydraulic injection dike and tempestite. Clastic dike environments include: Clastic dikes associated with earthquakes A large variety of dikes are found in
  • ring dike or ring dyke is an intrusive igneous body that is circular, oval or arcuate in plan and has steep contacts. While the widths of ring dikes differ
  • dike may refer to: Dike geology a subvertical sheet - like intrusion of magma or sediment Dike mythology the Greek goddess of moral justice Dikes
  • The Franklin dike swarm, also called the Franklin dikes is a Proterozoic dike swarm of the Franklin Large Igneous Province in Northern Canada. It is
  • result in the emplacement of dike swarms, such as those that are observable across the Canadian shield, or rings of dikes around the lava tube of a volcano
  • magma flux. In contrast, a dike is a discordant intrusive sheet, which does cut across older rocks. Sills are fed by dikes except in unusual locations
  • consists of hundreds of dikes filled with mafic to felsic rocks and are individually about 10 feet 3 m in width. These dikes may be the roots of linear - fissure - array
  • Kangaamiut dike swarm old spelling: Kangamiut is a 2.04 billion year old dike swarm located in the Qeqqata region of western Greenland. The dikes cut Archean
  • The Long Range dikes are a Neoproterozoic mafic dike swarm of Newfoundland and Labrador, Canada. It consists of a large igneous province with an area
  • discussed or observed. Settings in geology when the term country rock is used include: When describing a pluton or dike the igneous rock can be described
  • largest dike swarms. A dike swarm is a large geological structure consisting of a major group of parallel, linear, or radially oriented dikes intruded
  • minerals are called veins and joints filled by solidified magma are called dikes Joints result from brittle fracture of a rock body or layer as the result
  • Depressions in the sediments formed where they were cut by vertical basalt dikes The dike is revealed by the erosion of the less resistant rock matrix this
  • A dike swarm or dyke swarm is a large geological structure consisting of a major group of parallel, linear, or radially oriented dikes intruded within
  • of ephemeral streams exhibit little rounding with angular clasts. Pebble dikes are dikelike bodies found in intrusive environments, usually associated
  • The Sudbury dike swarm, also called the Sudbury dikes is a Mesoproterozoic dike swarm in northeastern Ontario, Canada. With an age of 1, 238 million years
  • forming dikes and sills. In 1981, geologists suggested that volcanism at Piton des Neiges may be closely linked to regional structural geology The main
  • The geology of Lesotho is built on ancient crystalline basement rock up to 3.6 billion years old, belonging to the Kaapvaal Craton, a section of stable
  • the ZIP code of 75437. Zip Code Lookup U.S. Geological Survey Geographic Names Information System: Dike Texas Coordinates: 33 14 19 N 95 28 56 W
  • would cause a crack to form at the surface. Dikes caused both by tectonic stretching extension and by dikes are found in Iceland. Pit craters are not
  • solidifies underground to form intrusions, for example plutons, batholiths, dikes sills, laccoliths, and volcanic necks. Some geologists use the term plutonic
  • diapirs. It also includes trondjemite bodies, plagio - granite, chromite and dikes metamorphosed to zeolite and greenschist grade. These are covered by layers
  • Mesozoic. As a result, the rock in Macau is dominantly granite with veins and dikes of dacite, basalt and aplite. Geologists distinguish different granite facies

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