Lambert Grabens
Encyclopedia
Lambert Graben is a graben
in Antarctica. It intersects the coast at Prydz Bay
and contains the largest glacier in the world, Lambert Glacier
. The graben is a Permian
rift
which contains coal
beds. The graben has been correlated with the coal bearing Godavari Valley of the India
n Peninsula prior to the breakup of Gondwana
.
Graben
In geology, a graben is a depressed block of land bordered by parallel faults. Graben is German for ditch. Graben is used for both the singular and plural....
in Antarctica. It intersects the coast at Prydz Bay
Prydz Bay
Prydz Bay is a deep embayment of Antarctica between the Lars Christensen Coast and Ingrid Christensen Coast. Portions of the bay were sighted in January and February 1931 by Norwegian whalers and the British Australian New Zealand Antarctic Research Expedition...
and contains the largest glacier in the world, Lambert Glacier
Lambert Glacier
Lambert Glacier is a major glacier in East Antarctica. At about 60 miles wide, over 250 miles long, and about 2,500 meters deep, it holds the Guinness world record for the world's largest glacier...
. The graben is a Permian
Permian
The PermianThe term "Permian" was introduced into geology in 1841 by Sir Sir R. I. Murchison, president of the Geological Society of London, who identified typical strata in extensive Russian explorations undertaken with Edouard de Verneuil; Murchison asserted in 1841 that he named his "Permian...
rift
Rift
In geology, a rift or chasm is a place where the Earth's crust and lithosphere are being pulled apart and is an example of extensional tectonics....
which contains coal
Coal
Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. The harder forms, such as anthracite coal, can be regarded as metamorphic rock because of later exposure to elevated temperature and pressure...
beds. The graben has been correlated with the coal bearing Godavari Valley of the India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...
n Peninsula prior to the breakup of Gondwana
Gondwana
In paleogeography, Gondwana , originally Gondwanaland, was the southernmost of two supercontinents that later became parts of the Pangaea supercontinent. It existed from approximately 510 to 180 million years ago . Gondwana is believed to have sutured between ca. 570 and 510 Mya,...
.