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The “road to the MoHole” four decades on: deep drilling at Site 1256

The “road to the MoHole” four decades on: deep drilling at Site 1256
The “road to the MoHole” four decades on: deep drilling at Site 1256
Ocean Drilling Program (ODP) Hole 1256D, drilled 500 m into oceanic basement in the Guatemala Basin, is the first hole prepared with the infrastructure desirable for drilling a moderately deep hole into the oceanic basement (1.5–2 km). A second ocean drilling leg to this site should finish the recovery of the first complete section of upper oceanic crust from lavas down through the dikes into the upper-most gabbros. Although Site 1256 has many advantageous features for a program to drill to the mantle, planning such an operation now would be premature, due in part to lack of engineering experience. In addition, there is significant scientific knowledge to be gained from drilling to depths of 1–3 km. Only through the characterization of the heterogeneity of the ocean crust by moderate-depth drilling at this and other sites will the essential information necessary to even choose a location for a full crustal penetration be acquired. The information learned on the “road to” selecting a MoHole site is at least as important as succeeding with that inspirational goal itself [see also Murray et al, 2002].
0096-3941
521-531
Teagle, Damon A.H.
396539c5-acbe-4dfa-bb9b-94af878fe286
Wilson, Douglas S.
ac0033f8-e4ce-4dc9-82e0-088899b3c177
Acton, Gary D.
079488ce-83f4-4f78-b83e-576c2e3a4173
Coggon, R.
09488aad-f9e1-47b6-9c62-1da33541b4a4
ODP Leg 206 Shipboard Party
Teagle, Damon A.H.
396539c5-acbe-4dfa-bb9b-94af878fe286
Wilson, Douglas S.
ac0033f8-e4ce-4dc9-82e0-088899b3c177
Acton, Gary D.
079488ce-83f4-4f78-b83e-576c2e3a4173
Coggon, R.
09488aad-f9e1-47b6-9c62-1da33541b4a4

Teagle, Damon A.H., Wilson, Douglas S., Acton, Gary D. and Coggon, R. , ODP Leg 206 Shipboard Party (2004) The “road to the MoHole” four decades on: deep drilling at Site 1256. Eos Transactions American Geophysical Union, 85 (49), 521-531. (doi:10.1029/2004EO490002).

Record type: Article

Abstract

Ocean Drilling Program (ODP) Hole 1256D, drilled 500 m into oceanic basement in the Guatemala Basin, is the first hole prepared with the infrastructure desirable for drilling a moderately deep hole into the oceanic basement (1.5–2 km). A second ocean drilling leg to this site should finish the recovery of the first complete section of upper oceanic crust from lavas down through the dikes into the upper-most gabbros. Although Site 1256 has many advantageous features for a program to drill to the mantle, planning such an operation now would be premature, due in part to lack of engineering experience. In addition, there is significant scientific knowledge to be gained from drilling to depths of 1–3 km. Only through the characterization of the heterogeneity of the ocean crust by moderate-depth drilling at this and other sites will the essential information necessary to even choose a location for a full crustal penetration be acquired. The information learned on the “road to” selecting a MoHole site is at least as important as succeeding with that inspirational goal itself [see also Murray et al, 2002].

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More information

Published date: December 2004
Organisations: Ocean and Earth Science

Identifiers

Local EPrints ID: 349506
URI: http://eprints.soton.ac.uk/id/eprint/349506
ISSN: 0096-3941
PURE UUID: fed3d0cf-97cc-40f3-8e04-52116f73fb39
ORCID for Damon A.H. Teagle: ORCID iD orcid.org/0000-0002-4416-8409
ORCID for R. Coggon: ORCID iD orcid.org/0000-0002-9228-9707

Catalogue record

Date deposited: 06 Mar 2013 12:29
Last modified: 09 Jan 2022 03:03

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Contributors

Author: Douglas S. Wilson
Author: Gary D. Acton
Author: R. Coggon ORCID iD
Corporate Author: ODP Leg 206 Shipboard Party

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