Jack Souther
Encyclopedia
Jack Souther is an Bancroft Award
winning American-Canadian volcanologist of the Geological Survey of Canada. He is a leading authority on geothermal resources and volcanism
in the Canadian Cordillera. Souther has long been in demand as a professor to lay audiences because of his ability to give scientific thoughts as a professor to lay audiences. This includes his ability to be a principal in media interviews, a participant in radio and television open-line shows and as a main figure in television broadcasts handling with his scientific concentration.
Souther has added several Quaternary
aged volcanic areas on Canadian maps. In 1977, Souther wrote a book titled Volcanic Regimes that included a chapter about tectonics
in the Canadian Cordillera. This work by Souther provided significant information about the early understanding of volcanism in Canada throughout the Quaternary period. For many years, the Mount Edziza volcanic complex
in northwestern British Columbia
, Canada
was a significant study area for Souther. In 1992, Souther's studies highlighted the importance and size of the region, and proposed that numerous subglacial eruption
s emplaced lava
in a sub-ice or ice-contact environment. In 1991, Souther proposed Hoodoo Mountain
formed as a tuya
because of its overall flat-topped topography
. However, more recent studies have shown that Hoodoo Mountain is a stratovolcano
, even though its structure likely results from frequent relationships between volcanism and adjacent ice sheets during the last glacial period.
Bancroft Award
The Bancroft Award is an award of the Royal Society of Canada "given for publication, instruction, and research in the earth sciences that have conspicuously contributed to public understanding and appreciation of the subject". It is named in honour of Joseph Austin Bancroft . It is awarded...
winning American-Canadian volcanologist of the Geological Survey of Canada. He is a leading authority on geothermal resources and volcanism
Volcanism
Volcanism is the phenomenon connected with volcanoes and volcanic activity. It includes all phenomena resulting from and causing magma within the crust or mantle of a planet to rise through the crust and form volcanic rocks on the surface....
in the Canadian Cordillera. Souther has long been in demand as a professor to lay audiences because of his ability to give scientific thoughts as a professor to lay audiences. This includes his ability to be a principal in media interviews, a participant in radio and television open-line shows and as a main figure in television broadcasts handling with his scientific concentration.
Souther has added several Quaternary
Quaternary
The Quaternary Period is the most recent of the three periods of the Cenozoic Era in the geologic time scale of the ICS. It follows the Neogene Period, spanning 2.588 ± 0.005 million years ago to the present...
aged volcanic areas on Canadian maps. In 1977, Souther wrote a book titled Volcanic Regimes that included a chapter about tectonics
Tectonics
Tectonics is a field of study within geology concerned generally with the structures within the lithosphere of the Earth and particularly with the forces and movements that have operated in a region to create these structures.Tectonics is concerned with the orogenies and tectonic development of...
in the Canadian Cordillera. This work by Souther provided significant information about the early understanding of volcanism in Canada throughout the Quaternary period. For many years, the Mount Edziza volcanic complex
Mount Edziza volcanic complex
The Mount Edziza volcanic complex is a large and potentially active north-south trending complex volcano in Stikine Country, northwestern British Columbia, Canada, located southeast of the small community of Telegraph Creek...
in northwestern British Columbia
British Columbia
British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...
, Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...
was a significant study area for Souther. In 1992, Souther's studies highlighted the importance and size of the region, and proposed that numerous subglacial eruption
Subglacial eruption
A subglacial eruption is a volcanic eruption that has occurred under ice, or under a glacier. Subglacial eruptions can cause dangerous floods, lahars and create hyaloclastite and pillow lava. Subglacial eruptions sometimes form a subglacial volcano called a tuya. Tuyas in Iceland are called table...
s emplaced lava
Lava
Lava refers both to molten rock expelled by a volcano during an eruption and the resulting rock after solidification and cooling. This molten rock is formed in the interior of some planets, including Earth, and some of their satellites. When first erupted from a volcanic vent, lava is a liquid at...
in a sub-ice or ice-contact environment. In 1991, Souther proposed Hoodoo Mountain
Hoodoo Mountain
Hoodoo Mountain is a potentially active flat-topped stratovolcano in the Stikine Country of northwestern British Columbia, Canada, located northeast of Wrangell, Alaska on the north side of the lower Iskut River and east of its junction with the Stikine River...
formed as a tuya
Tuya
A tuya is a type of distinctive, flat-topped, steep-sided volcano formed when lava erupts through a thick glacier or ice sheet. They are somewhat rare worldwide, being confined to regions which were covered by glaciers and also had active volcanism during the same time period.-Formation:Tuyas are...
because of its overall flat-topped topography
Topography
Topography is the study of Earth's surface shape and features or those ofplanets, moons, and asteroids...
. However, more recent studies have shown that Hoodoo Mountain is a stratovolcano
Stratovolcano
A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile and periodic, explosive eruptions...
, even though its structure likely results from frequent relationships between volcanism and adjacent ice sheets during the last glacial period.
See also
- Volcanism of Canada
- Volcanism of Western CanadaVolcanism of Western CanadaVolcanism of Western Canada produces lava flows, lava plateaus, lava domes, cinder cones, stratovolcanoes, shield volcanoes, submarine volcanoes, calderas, diatremes and maars, along with examples of more less common volcanic forms such as tuyas and subglacial mounds.-Volcanic belts:*Anahim...
- Bill MathewsBill MathewsWilliam Henry Mathews was a Canadian geologist, volcanologist, engineer, and professor. He is considered a pioneer in the study of subglacial eruptions and volcano-ice interactions in North America...
- Catherine HicksonCatherine HicksonCatherine Hickson is a Canadian volcanologist formerly part of the Geological Survey of Canada. Hickson has mapped and studied young volcanoes in Canada assessing their past and future eruptions. In 2003, Hickson was one of the three scientists to report on a hypothetical eruption at the Canadian...