The Twelfth Soviet Antarctic Expedition was an expedition by the

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...

Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest cont ...

. During this expedition, a new method was used for measuring the thickness of the ice cap of Antarctica using

radar Radar is a detection system that uses radio waves to determine the distance ('' ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, we ...

Glaciologist Glaciology (; ) is the scientific study of glaciers, or more generally ice and natural phenomena that involve ice. Glaciology is an interdisciplinary Earth science that integrates geophysics, geology, physical geography, geomorphology, clima ...

s on the team surveyed the area around

Mirny Station The Mirny Station (russian: Мирный, literally ''Peaceful'') is a Russian (formerly Soviet) first Antarctic science station located in Queen Mary Land, Antarctica, on the Antarctic coast of the Davis Sea. The station is managed by the ...

and measured the thickness of the glacier. The investigations discovered that the central part of the glacial cap in Eastern Antarctica is the largest and most ideal elevated plain in the world. Soviet

geologist A geologist is a scientist who studies the solid, liquid, and gaseous matter that constitutes Earth and other terrestrial planets, as well as the processes that shape them. Geologists usually study geology, earth science, or geophysics, althoug ...

s also did surveys of

Queen Maud Land Queen Maud Land ( no, Dronning Maud Land) is a roughly region of Antarctica claimed by Norway as a dependent territory. It borders the claimed British Antarctic Territory 20° west and the Australian Antarctic Territory 45° east. In addi ...

and

Enderby Land Enderby Land is a projecting landmass of Antarctica. Its shore extends from Shinnan Glacier at about to William Scoresby Bay at , approximately of the earth's longitude. It was first documented in western and eastern literature in February 18 ...

where they found deposits of

coal Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when ...

and iron ore.

References

* Nepomnyashchi, A. (September 1968) "Russians in the Antarctic" in ''Arctic''. 21(3):204–05 12 Antarctic Expedition 12 Antarctic Expedition 12 Antarctic Expedition 12 1966 in Antarctica 1967 in Antarctica 1968 in Antarctica {{Antarctica-stub