View source for BP Structure

{{Short description|Exposed impact crater in Libya}}
{{Infobox terrestrial impact site
| name            = BP Structure
| other_name      = Gebel Dalma
| photo           = BP crater.jpg
| photo_size      = 
| photo_alt       = 
| photo_caption   = [[Landsat]] image of the BP structure; screen capture from [[NASA World Wind]]
| map             = Libya
| map_alt         = 
| map_caption     = 
| map_size        = 
| location        = 
| label           = 
| label_position  = 
| coordinates     = 
| coordinates_ref = 
| confidence      = Confirmed
| diameter        = {{convert|2|km}}
| depth           = 
| rise            = 
| imp_size        = 
| age             = <120 Ma
| exposed         = Yes
| drilled         = No
| bolide          = 
| translation     = 
| language        = 
| pronunciation   = 
| topo            = 
| access          = 
| country         = [[Libya]]
| state           = 
| province        = 
| district        = 
| municipality    = 
| module          = 
}}
[[File:BP crater x5.jpg|thumb|200px|right|Oblique [[Landsat]] image of BP crater draped over digital elevation model (x5 vertical exaggeration); screen capture from [[NASA World Wind]]]]The '''BP Structure''', also known as '''Gebel Dalma''', is an exposed [[impact crater]] in [[Libya]]. It is so called because it was identified by a [[BP]] (then British Petroleum) geological survey team.<ref>{{cite Earth Impact DB | name = BP | linkname = bpstructure | accessdate = 2009-08-12}}</ref>

French ''et al.'' state that the BP Structure and the larger [[Oasis crater]], about {{cvt|88|km}} to the south, were probably simultaneous impacts.<ref>BEVAN M. FRENCH, JAMES R. UNDERWOOD, EDWARD P. FISK; Shock-Metamorphic Features in Two Meteorite Impact Structures, Southeastern Libya. GSA Bulletin 1974;; 85 (9): 1425–1428. doi: https://doi.org/10.1130/0016-7606(1974)85<1425:SFITMI>2.0.CO;2</ref>  Both impacts deform the [[Nubian Sandstone]] of early Cretaceous age.

==See also==
* [[Silverpit crater]]

==References==
{{reflist}}

==External links==
*Anonymous (nd) [https://web.archive.org/web/20151222204644/http://www.passc.net/EarthImpactDatabase/Africa.html ''Africa'' (Impact Craters)], [https://web.archive.org/web/20150207114032/http://www.passc.net/EarthImpactDatabase/index.html Earth Impact Database], [https://www.unb.ca/passc/ImpactDatabase/ Planetary and Space Science Centre], [[University of New Brunswick]], New Brunswick, Canada.

{{coord|25|19|10|N|24|18|34|E|type:landmark_region:LY_scale:30000|display=title}}

{{Impact cratering on Earth|No Collapse}}
{{BP}}

[[Category:Impact craters of Libya]]
[[Category:Cretaceous impact craters]]


{{Geology-stub}}
{{Libya-geo-stub}}