| Title | Estimation of biogenic silica contents in marine sediments using seismic and well log data; Sediment Drift 7, Antarctica |
| Author | Neagu, R.C.; Tinivella, U.; Volpi, V.; Rebesco, M.; Camerlenghi, A. |
| Author Affil | Neagu, R.C., Istituto Nazionale di Oceanografia e di Geofisica Sperimentale, Trieste, Italy. Other: Universitat de Barcelona, Spain; Cardiff University, United Kingdom |
| Source | EURODOM; European deep ocean margins research, edited by M. Canals and B. De Mol. Geologische Rundschau = International Journal of Earth Sciences (1999), 98(4), p.839-848. Publisher: Springer International, Berlin, Federal Republic of Germany. ISSN: 1437- 3254 |
| Publication Date | Jun. 2009 |
| Notes | In English. 21 refs. GeoRef Acc. No: 299421 |
| Index Terms | Antarctica; Ocean Drilling Program-- ODP Site 1095; Ocean Drilling Program--ODP Site 1096; Southern Ocean; biochemical sedimentation; biogenic processes; clastic sediments; drift; framework silicates; geophysical methods; geophysical profiles; geophysical surveys; Leg 178; marine sediments; mass movements; Ocean Drilling Program; ODP Site 1095; ODP Site 1096; opal; opal-A; opal-CT; physical properties; reflection methods; sedimentation; sediments; seismic methods; seismic profiles; silica minerals; silicates; slumping; statistical analysis; surveys; transformations; two- dimensional models; well logs |
| Abstract | Petrophysical properties (wet bulk density, porosity, P-wave velocity) are used to predict biogenic silica contents along a seismic reflection profile that ties two well sites, 1095 and 1096, drilled by Ocean Drilling Program (ODP) Leg 178 on sediment drifts on the Pacific continental margin of the Antarctic Peninsula. The biogenic silica contents along the seismic reflection profile were estimated on the basis of three hypotheses about petrophysical properties distributions in the two boreholes and statistical relationships between biogenic silica and other petrophysical properties. Our study demonstrates the possibility to reliably predict the distribution of biogenic silica in the sub-seabed sediments if seismic data processed with amplitude preservation are used and statistical relations are considered. (mod. journ. abst.) |
| URL | http://hdl.handle.net/10.1007/s00531-008-0315-2 |
| Publication Type | journal article |
| Record ID | 88230 |