Death of a sand sea: An active aeolian erg systematically buried by the Etendeka flood basalts of NW Namibia

Journal of the Geological Society

Volumn 157, Issue 3, 2000, Pages 513-516

  Jerram, D A ^a   Mountney, N P ^b   Howell, J A ^c   Long, D ^d   Stollhofen, H ^e  

^a DURHAM UNIVERSITY   (United Kingdom)

^b KEELE UNIVERSITY   (United Kingdom)

^c UNIVERSITY OF LIVERPOOL   (United Kingdom)

^d Enterprise Oil plc   (Ireland)

^e UNIVERSITY OF WÜRZBURG   (Germany)

Author keywords

Aeolian features; Etendeka; Flood basalts; Namibia

Indexed keywords

DUNE; EOLIAN PROCESS; FLOOD BASALT; SAND;

NAMIBIA;

EID: 0034101059     PISSN: 00167649     EISSN: None     Source Type: Journal    
DOI: 10.1144/jgs.157.3.513     Document Type: Article

References (20)

1. CLEMMENSEN, L.B. 1988. Aeolian morphology preserved by lava cover, the Precambrian Mussartut Member, Eriksfjord Formation, South Greenland. Geological Society of Denmark, Bulletin, 37, 105-116.
2. ESCHNER, T.B. & KOCUREK, G. 1988. Origins of relief along contacts between aeolian sandstones and overlying marine strata. Bulletin of the American Association of Petroleum Geologists, 72, 932-943.
3. GLEN, J.M., RENNE, P.R., MILNER, S.C. & COE, R.S. 1997. Magma flow inferred from anisotropy of magnetic susceptibility in the coastal Paraná-Etendeka igneous province: evidence for rifting before flood volcanism. Geology, 25, 1131-1134.
4. GLENNIE, K.W. & BULLER, A.T. 1983. The Permian Weissliegend of N. W. Europe: The partial deformation of aaeolian dune sands caused by the Zechstein transgression. Sedimentary Geology, 35, 43-81.
5. HON, K., KAUAHIKAUA, J., DENLINGER, R. & MACKAY, K. 1994. Emplacement and nflation of pahoehoe sheet flows: Observations and measurements of active lava flows on Kilauea Volcano, Hawaii. Geological Society of America Bulletin, 106, 351-370.
6. HORSTHEMKE, E., LEDENDECKER, S. & PARODA, H. 1990. Depositional environments and stratigraphic correlations of the Karoo Sequence in North-western Damaraland. Communications of the Geological Survey of Namibia, 6, 63-75.
7. HOWELL, J. & MOUNTNEY, N. 1997. Climatic cyclicity and accommodation space in arid to semi-arid depositional systems: an example from the Rotliegend Group of the UK southern North Sea. In: ZIEGLER, K., TURNER, P. & DAINES, S. R. (eds) Petroleum Geology of the Southern North Sea: Future Potential. Geological Society, London, Special Publications, 123, 63-86.
8. JERRAM, D.A., MOUNTNEY, N.P., HOLZFÖRSTER, F. & STOLLHOFEN, H. 1999a. Internal stratigraphic relationships in the Etendeka Group in the Huab Basin, NW Namibia: Understanding the onset of flood volcanism. Journal of Geodynamics, 28, 393-418.
9. _, _ & STOLLHOFEN, H. 1999b. Facies architecture of the Etjo Sandstone Formation and its interaction with the basal Etendeka flood basalts of NW Namibia: Implications for offshore analogues. In: CAMERON, N., BATE, R. & CLURE, V. (eds) Oil and Gas Habitats of the Southern Atlantic. Geological Society, London, Special Publications, 153, 367-380.
10. KOCUREK, G. & HAVHOLM, K.G. 1994. Aeolian sequence stratigraphy - A conceptual framework. In: WEIMER, P. & POSSAMENTIER, H.W. (eds) Siciliclastic Sequence Stratigraphy. American Association of Petroleum Geologists Memoir, 58, 393-409.
11. _, KNIGHT, J. & HAVHOLM, K. 1991. Outcrop and semi-regional three-dimensional architecture and reconstruction of a portion of the eolian Page Sandstone (Jurassic). In: MIALL, A.D. & TYLER, N. (eds) The three-dimensional fades architecture of terrigenous clastic sediments and its implications for hydrocarbon discovery and recovery. SEPM concepts in Sedimentology and Paleontology, 3, 25-43.
12. MILNER, S.C., DUNCAN, A.R., WHITTINGHAM, A.M. & EWART, A. 1995. Trans-Atlantic Correlation of Eruptive Sequences and Individual Silicic Volcanic Units within the Paraná-Etendeka Igneous Province. Journal of Volcanology and Geothermal Research, 69, 137-157.
13. MOUNTNEY, N., HOWELL, J., FLINT, S. & JERRAM, D. 1999. Relating aeolian bounding-surface geometries to the bed forms that generated them: Etjo Formation, Cretaceous, Namibia. Geology, 27, 159-162.
14. PEATE, D.W. 1997. The Paraná-Etendeka Province. In: MAHONEY, J.J. & COFFIN M.F. (eds) Large Igneous Provinces. AGU Geophysical Monographs, 100, 217-245.
15. PORTER, M.L. 1987. Sedimentology of an ancient erg margin - The Lower Jurassic Aztec Sandstone, southern Nevada and southern California. Sedimentology, 34, 661-680.
16. RENNE, P.R., GLEN, J.M., MILNER, S.C. & DUNCAN, A.R. 1996. Age of Etendeka flood volcanism and associated intrusions in Southwestern Africa. Geology, 24, 659-662.
17. ROCHA-CAMPOS, A.C., CORDANI, U.G., KAWASHITA, K., SONOKI, H.M. & SONOKI, I.K. 1988. Age of the Paraná Volcanism. In: PICCIRILLO, E.M. & MELFI, A.J. (eds) The Mesozoic flood volcanism of the Paraná Basin: petrogenetic and geophysical aspects. IAG-USP press, 25-45.
18. SELF, S., THORDARSON, T., KESZTHELYI, L., WALKER, G.P.L., HON, K., MURPHY, M.T., LONG, P. & FINNEMORE, S. 1996. A new model for the emplacement of Columbia River Basalts as large inflated pahoehoe lava flow fields. Geophysical Research Letters, 23, 2689-2692.
19. WICKENS, H. DE V. & MCLACHLAN, I.R. 1990. The stratigraphy and sedimentology of the reservoir interval of the Kudu 9A-2 and 9A-3 boreholes. Communications of the Geological Survey of Namibia, 6, 9-22.
20. ZALAN, P.V., WOLFF, S., ASTOLFI, M.A.M., VIEIRA, I.S., CONCEICA, J.C.J., APPI, V.T., NETO, E.V.S., CERQUEIRA, J.R. & MARQUES, A. 1990. The Paraná Basin, Brazil. In: LEIGHTON, M.W., KOLATA, D.R., OLTZ, D.F.A. & EIDEL, J.J. (eds) Interior Cratonic Basins. American Association of Petroleum Geologists Memoirs, 51, 681-708.