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22 relations: Basalt, British Columbia, Canada, Cascadia subduction zone, Explorer Plate, Fault (geology), Garibaldi Volcanic Belt, Haddington Island (British Columbia), Holocene, Juan de Fuca Plate, Miocene, Neogene, Nootka Fault, Pemberton Volcanic Belt, Pliocene, Rhyolite, Subduction, Subvolcanic rock, Twin Peaks (British Columbia), Vancouver Island, Volcanic belt, Volcano.
Basalt
Basalt is a common extrusive igneous (volcanic) rock formed from the rapid cooling of basaltic lava exposed at or very near the surface of a planet or moon.
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British Columbia
British Columbia (BC; Colombie-Britannique) is the westernmost province of Canada, located between the Pacific Ocean and the Rocky Mountains.
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Canada
Canada is a country located in the northern part of North America.
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Cascadia subduction zone
The Cascadia subduction zone (also referred to as the Cascadia fault) is a convergent plate boundary that stretches from northern Vancouver Island to Northern California.
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Explorer Plate
The Explorer Plate is an oceanic tectonic plate beneath the Pacific Ocean off the west coast of Vancouver Island, Canada and is partially subducted under the North American Plate.
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Fault (geology)
In geology, a fault is a planar fracture or discontinuity in a volume of rock, across which there has been significant displacement as a result of rock-mass movement.
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Garibaldi Volcanic Belt
The Garibaldi Volcanic Belt is a northwest-southeast trending volcanic chain in the Pacific Ranges of the Coast Mountains that extends from Watts Point in the south to the Ha-Iltzuk Icefield in the north.
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Haddington Island (British Columbia)
Haddington Island (île Haddington) is a small volcanic island in the Canadian province of British Columbia, located south of Malcolm Island and Broughton Strait.
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Holocene
The Holocene is the current geological epoch.
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Juan de Fuca Plate
The Juan de Fuca Plate is a tectonic plate generated from the Juan de Fuca Ridge and is subducting under the northerly portion of the western side of the North American Plate at the Cascadia subduction zone.
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Miocene
The Miocene is the first geological epoch of the Neogene Period and extends from about (Ma).
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Neogene
The Neogene (informally Upper Tertiary or Late Tertiary) is a geologic period and system that spans 20.45 million years from the end of the Paleogene Period million years ago (Mya) to the beginning of the present Quaternary Period Mya.
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Nootka Fault
The Nootka Fault is an active transform fault running southwest from Nootka Island, near Vancouver Island, British Columbia, Canada.
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Pemberton Volcanic Belt
The Pemberton Volcanic Belt is an eroded Oligocene-Miocene volcanic belt at a low angle near the Mount Meager massif, British Columbia, Canada.
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Pliocene
The Pliocene (also Pleiocene) Epoch is the epoch in the geologic timescale that extends from 5.333 million to 2.58 million years BP.
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Rhyolite
Rhyolite is an igneous, volcanic rock, of felsic (silica-rich) composition (typically > 69% SiO2 – see the TAS classification).
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Subduction
Subduction is a geological process that takes place at convergent boundaries of tectonic plates where one plate moves under another and is forced or sinks due to gravity into the mantle.
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Subvolcanic rock
A subvolcanic rock, also known as a hypabyssal rock, is an intrusive igneous rock that is emplaced at medium to shallow depths (>2 km) within the crust, and has intermediate grain size and often porphyritic texture between that of volcanic and plutonic rocks.
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Twin Peaks (British Columbia)
Twin Peaks, also known as Twin Peaks Mountain, is a volcanic peak on northern Vancouver Island in southwestern British Columbia, Canada, located southwest of Port McNeill.
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Vancouver Island
Vancouver Island is in the northeastern Pacific Ocean, just off the coast of Canada.
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Volcanic belt
A volcanic belt is a large volcanically active region.
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Volcano
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
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References
[1] https://en.wikipedia.org/wiki/Alert_Bay_Volcanic_Belt
