Oxford Index Search Results

You are looking at 1-20 of 50 items for:

cone volcano x clear all

cone volcano

Overview page. Subjects: Earth Sciences and Geography.

A volcanic peak with a roughly circular base, tapering to a point. Cones may be built solely of lava or of scoria, or of both. Parasitic cones form round smaller vents on the flanks of the...

See overview in Oxford Index

cone volcano

Overview page. Subjects: Earth Sciences and Geography.

A volcanic peak with a roughly circular base, tapering to a point. Cones may be built solely of lava or of scoria, or of both. Parasitic cones form round smaller vents on the flanks of the...

See overview in Oxford Index

cone volcano

Susan Mayhew.

in A Dictionary of Geography

January 2009; p ublished online January 2009 .

Reference Entry. Subjects: Earth Sciences and Geography. 51 words.

A volcanic peak with a roughly circular base, tapering to a point. Cones may be built solely of *lava

Go to Oxford Reference »  home page

cone volcano

Susan Mayhew.

in A Dictionary of Geography

January 2015; p ublished online May 2015 .

Reference Entry. Subjects: Earth Sciences and Geography. 50 words.

A volcanic peak with a roughly circular base, tapering to a point. Cones may be built solely of *lava

Go to Oxford Reference »  home page

scoria

Chris Park and Michael Allaby.

in A Dictionary of Environment and Conservation

January 2013; p ublished online September 2013 .

Reference Entry. Subjects: Conservation of the Environment (Environmental Science). 50 words.

Loose, rubbly, *basalt rocks ejected by a volcano that accumulate around vents, eventually building up as a scoria cone,

Go to Oxford Reference »  home page

scoria

Chris Park and Michael Allaby.

in A Dictionary of Environment and Conservation

P ublished online January 2017 .

Reference Entry. Subjects: Conservation of the Environment (Environmental Science). 50 words.

Loose, rubbly, *basalt rocks ejected by a volcano that accumulate around vents, eventually building up as a scoria cone,

Go to Oxford Reference »  home page

stratovolcano

Susan Mayhew.

in A Dictionary of Geography

January 2009; p ublished online January 2009 .

Reference Entry. Subjects: Earth Sciences and Geography. 19 words.

A cone-shaped volcano with a layered internal structure; see Hildreth et al. (2003) GSA Bull. 115, 6.

Go to Oxford Reference »  home page

cinder cones

Susan Mayhew.

in A Dictionary of Geography

January 2015; p ublished online May 2015 .

Reference Entry. Subjects: Earth Sciences and Geography. 54 words.

Also known as scoria cones, these are composite volcanoes, generally less than 300 m high, with straight, steep sides and

Go to Oxford Reference »  home page

stratovolcano

Susan Mayhew.

in A Dictionary of Geography

January 2015; p ublished online May 2015 .

Reference Entry. Subjects: Earth Sciences and Geography. 18 words.

A cone-shaped volcano with a layered internal structure; see Hildreth et al. (2003) GSA Bull. 115, 6.

Go to Oxford Reference »  home page

Thēra

Edited by M. C. Howatson.

in The Oxford Companion to Classical Literature

January 2011; p ublished online January 2011 .

Reference Entry. Subjects: Classical Literature. 185 words.

Greek island, the southernmost of the *Cyclades, formed of part of the cone of an ancient volcano. The

Go to Oxford Reference »  home page

volcano

Overview page. Subjects: Earth Sciences and Geography.

An opening in the crust out of which magma, ash, and gases erupt. The shape of the volcano depends very much on the type of lava. Cone volcanoes are associated with thick lava and much ash....

See overview in Oxford Index

planeze

Overview page. Subjects: Earth Sciences and Geography.

Sloping triangular facet on the flank of a volcano, underlain and protected by lava. Its form is a result of the radial dissection by streams of a complex volcanic cone.

See overview in Oxford Index

planèze

Michael Allaby.

in A Dictionary of Geology and Earth Sciences

January 2013; p ublished online September 2013 .

Reference Entry. Subjects: Earth Sciences and Geography. 33 words.

Sloping triangular facet on the flank of a *volcano, underlain and protected by *lava. Its form is a result of the radial dissection by streams of a complex volcanic cone....

Go to Oxford Reference »  home page

stratovolcano

Overview page. Subjects: Earth Sciences and Geography.

Volcano built up of layers of lava alternating with beds of ash and other pyroclastics and with material eroded from higher slopes of the cone. Many of the world's highest volcanoes are of...

See overview in Oxford Index

strato-volcano

Michael Allaby.

in A Dictionary of Geology and Earth Sciences

January 2013; p ublished online September 2013 .

Reference Entry. Subjects: Earth Sciences and Geography. 56 words.

*Volcano built up of layers of *lava alternating with beds of *ash and other *pyroclastics and with material eroded from higher slopes of the cone. Many of the world's highest volcanoes are...

Go to Oxford Reference »  home page

Parícutin

Overview page. Subjects: Environmental Science.

An explosive volcano that grew suddenly and rapidly in central Mexico in 1943. Over a 2‐week period early that year, the area around Parícutin had been shaken by earthquakes. On 20 February...

See overview in Oxford Index

volcanic eruption

Overview page. Subjects: Earth Sciences and Geography — Environmental Science.

The eruption of a volcano as a result of extrusive volcanic activity, which causes molten magma to reach and spill out over the Earth's surface, and large amounts of volcanic gas and steam...

See overview in Oxford Index

parasitic cone

Overview page. Subjects: Earth Sciences and Geography.

A conical mound of ejecta accumulated around an eruptive vent on the lower flanks of a large volcano. Parasitic cones sometimes grow into large volcanic centres themselves, and may lie on...

See overview in Oxford Index

parasitic cone

Michael Allaby.

in A Dictionary of Geology and Earth Sciences

January 2013; p ublished online September 2013 .

Reference Entry. Subjects: Earth Sciences and Geography. 53 words.

A conical mound of ejecta accumulated around an eruptive vent on the lower flanks of a large *volcano. Parasitic cones sometimes grow into large volcanic centres themselves, and may lie on...

Go to Oxford Reference »  home page

Saint Lucia

Edited by Anne Kerr and Edmund Wright.

in A Dictionary of World History

January 2015; p ublished online July 2015 .

Reference Entry. Subjects: World History. 284 words.

An island country, one of the Windward Islands of the Caribbean.

Saint Lucia is 43 km (27 miles) in length and roughly oval-shaped. In the south-west is the dormant volcano...

Go to Oxford Reference »  home page

fissure volcano

Overview page. Subjects: Earth Sciences and Geography.

A linear fracture on the Earth's surface through which lavas, pyroclastics, and gas are erupted and effused. The eruptive products accumulate most thickly along the linear fracture and...

See overview in Oxford Index