Callander Bay
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Callander Bay (french: baie Callander) is a bay at the extreme east of Lake Nipissing in the municipality of Callander,
Parry Sound District Parry Sound District is a Census divisions of Canada, census division of the Canadian province of Ontario. Its boundaries are District Municipality of Muskoka, District of Muskoka to the south, the Sudbury District to the north-northwest, the Fre ...
,
Ontario Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central C ...
, Canada. It is approximately in diameter. The community of Callander is located on its east side.


Geology

Callander Bay is an
eroded Erosion is the action of surface processes (such as water flow or wind) that removes soil, rock, or dissolved material from one location on the Earth's crust, and then transports it to another location where it is deposited. Erosion is disti ...
Proterozoic
volcanic pipe Volcanic pipes or volcanic conduits are subterranean geological structures formed by the violent, supersonic eruption of deep-origin volcanoes. They are considered to be a type of ''diatreme''. Volcanic pipes are composed of a deep, narrow cone o ...
formed by the violent, supersonic eruption of a deep-origin
volcano A volcano is a rupture in the Crust (geology), crust of a Planet#Planetary-mass objects, planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and volcanic gas, gases to escape from a magma chamber below the surface. On Ear ...
. These volcanoes originate at least three times as deep as most other volcanoes, and the resulting magma that is pushed toward the surface is high in magnesium and volatile compounds such as
water Water (chemical formula ) is an Inorganic compound, inorganic, transparent, tasteless, odorless, and Color of water, nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living ...
and
carbon dioxide Carbon dioxide ( chemical formula ) is a chemical compound made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms. It is found in the gas state at room temperature. In the air, carbon dioxide is trans ...
. As the body of magma rises toward the surface, the volatile compounds
transform Transform may refer to: Arts and entertainment * Transform (scratch), a type of scratch used by turntablists * ''Transform'' (Alva Noto album), 2001 * ''Transform'' (Howard Jones album) or the title song, 2019 * ''Transform'' (Powerman 5000 album ...
to
gaseous phase Gas is one of the four fundamental states of matter (the others being solid, liquid, and plasma). A pure gas may be made up of individual atoms (e.g. a noble gas like neon), elemental molecules made from one type of atom (e.g. oxygen), or ...
as
pressure Pressure (symbol: ''p'' or ''P'') is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Gauge pressure (also spelled ''gage'' pressure)The preferred spelling varies by country and e ...
is reduced with decreasing depth. This sudden expansion propels the magma upward at rapid speeds, resulting in a shallow supersonic eruption. Callander Bay contains uncommon rocks such as
nepheline syenite Nepheline syenite is a holocrystalline plutonic rock that consists largely of nepheline and alkali feldspar. The rocks are mostly pale colored, grey or pink, and in general appearance they are not unlike granites, but dark green varieties are al ...
and
carbonatite Carbonatite () is a type of intrusive or extrusive igneous rock defined by mineralogic composition consisting of greater than 50% carbonate minerals. Carbonatites may be confused with marble and may require geochemical verification. Carbonati ...
and the minerals:
aegirine Aegirine is a member of the clino pyroxene group of inosilicate minerals. Aegirine is the sodium endmember of the aegirine-augite series. Aegirine has the chemical formula Na Fe Si2 O6 in which the iron is present as Fe3+. In the aegirine-augit ...
, amphibole,
analcime Analcime (; ) or analcite is a white, gray, or colorless tectosilicate mineral. Analcime consists of hydrated sodium aluminium silicate in cubic crystalline form. Its chemical formula is Na Al Si2 O6ยท H2O. Minor amounts of potassium and calci ...
, apatite, barite, biotite, calcite,
cancrinite Cancrinite is a complex carbonate and silicate of sodium, calcium and aluminium with the formula Na6 Ca2 O3)2.html" ;"title="carbon">C Coxygen">O3)2"> O3)2">aluminum">Al6silicon.html"_;"title="luminum.html"_;"title="oxygen.html"_;"ti_...
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,_chalcopyrite">Coxygen">O3)2">aluminum">Al6silicon.html"_;"title="luminum.html"_;"title="oxygen.html"_;"ti_...
,_chalcopyrite
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, chalcopyrite">Coxygen">O3)2">aluminum">Al6silicon.html" ;"title="luminum.html" ;"title="oxygen.html" ;"ti ...
, chalcopyrite, Chlorite group">chlorite, diopside, dolomite (mineral), dolomite, fluorite, garnet, hematite, kaersutite, magnetite, muscovite, nepheline, olivine, perthite, pyrite, pyroxene and pyrrhotite. Site information taken from


See also

* List of volcanoes in Canada * Manitou Islands *
Volcanology of Canada Volcanic activity is a major part of the geology of Canada and is characterized by many types of volcanic landform, including lava flows, volcanic plateaus, lava domes, cinder cones, stratovolcanoes, shield volcanoes, submarine volcanoes, calder ...
* Volcanology of Eastern Canada


References

{{Reflist Bays of Ontario Landforms of Parry Sound District Diatremes of Ontario Proterozoic volcanoes Lake Nipissing