Overburden vs Diapir - What's the difference?
overburden | diapir |
(geology) The rock and subsoil that lies above a mineral deposit such as a coal seam.
*2004 , (Richard Fortey), The Earth , Folio Society 2011, p. 163:
*:Such rocks have been changed by baking in a terrestrial pressure-cooker. Then they have been disinterred: kilometres of overburden must have been removed.
(archaeology) A sterile stratum that lies above the stratum being investigated
(geology) An intrusion of a ductile rock into an overburden.
* 1989 , Nigel Henbest, "
* 1994 , Peter Olson, "Mechanics of Flood Basalt Magmatism", in Magmatic Systems (ed. Michael P. Ryan), Academic Press (1994), ISBN 0126050708,
* 2004 , (Richard Fortey), The Earth: An Intimate History , HarperCollins (2010), ISBN 9780007373338,
In geology|lang=en terms the difference between overburden and diapir
is that overburden is (geology) the rock and subsoil that lies above a mineral deposit such as a coal seam while diapir is (geology) an intrusion of a ductile rock into an overburden.As nouns the difference between overburden and diapir
is that overburden is (geology) the rock and subsoil that lies above a mineral deposit such as a coal seam while diapir is (geology) an intrusion of a ductile rock into an overburden.As a verb overburden
is to overload or overtax.overburden
English
Noun
(en noun)References
Wikipedia
diapir
English
(wikipedia diapir)Noun
(en noun)Geologists hit back at impact theory of extinctions", New Scientist , 29 April 1989:
- "If a diapir is outside an established plume it rises at a much slower rate," Loper says.
page 12:
- This final stage is characterized by the cooling and resolidification of the partially molten diapir within the mantle, slow subsidence at the surface, and greatly diminished rates of crustal addition.
unnumbered page:
- Deeply buried deposits of sea-salt dome upwards and pass through the overlying strata, as a kind of intrusive lobe, eventually emerging at the surface – the rising tongue is called a diapir .
