Bulk geochemistry, mass change and alteration intensity of basalts from ODP Leg 187 sites and survey dredges
Shipboard studies during Ocean Drilling Program Leg 187 (Australian Antarctic Discordance, AAD) suggested that there was no discernible coincidence between the interpreted age of rocks recovered and the intensity of alteration observed. Samples from the oldest sites occupied appeared to exhibit the...
Main Authors: | , |
---|---|
Format: | Other/Unknown Material |
Language: | English |
Published: |
PANGAEA
2004
|
Subjects: | |
Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.780737 https://doi.org/10.1594/PANGAEA.780737 |
id |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.780737 |
---|---|
record_format |
openpolar |
spelling |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.780737 2024-09-15T17:43:18+00:00 Bulk geochemistry, mass change and alteration intensity of basalts from ODP Leg 187 sites and survey dredges Miller, D Jay Kelley, J MEDIAN LATITUDE: -45.467722 * MEDIAN LONGITUDE: 129.128388 * SOUTH-BOUND LATITUDE: -50.200000 * WEST-BOUND LONGITUDE: 124.500000 * NORTH-BOUND LATITUDE: -41.271510 * EAST-BOUND LONGITUDE: 134.998350 * DATE/TIME START: 1996-01-01T00:00:00 * DATE/TIME END: 2000-01-06T09:00:00 2004 application/zip, 3 datasets https://doi.pangaea.de/10.1594/PANGAEA.780737 https://doi.org/10.1594/PANGAEA.780737 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.780737 https://doi.org/10.1594/PANGAEA.780737 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess Supplement to: Miller, D Jay; Kelley, J (2004): Low-temperature alteration of basalt over time: a synthesis of results from Ocean Drilling Program Leg 187. In: Pedersen, RB; Christie, DM; Miller, DJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 187, 1-29, https://doi.org/10.2973/odp.proc.sr.187.206.2004 187-1152A 187-1152B 187-1153A 187-1154A 187-1155A 187-1155B 187-1156A 187-1156B 187-1157A 187-1157B 187-1158A 187-1158B 187-1158C 187-1159A 187-1160B 187-1161A 187-1161B 187-1162B 187-1163A 187-1164A 187-1164B Australian Antarctic Discordance Dredge DRG DRILL Drilling/drill rig Indian Ocean Joides Resolution Leg187 MA-MB-BB Ocean Drilling Program ODP dataset publication series 2004 ftpangaea https://doi.org/10.1594/PANGAEA.78073710.2973/odp.proc.sr.187.206.2004 2024-07-24T02:31:21Z Shipboard studies during Ocean Drilling Program Leg 187 (Australian Antarctic Discordance, AAD) suggested that there was no discernible coincidence between the interpreted age of rocks recovered and the intensity of alteration observed. Samples from the oldest sites occupied appeared to exhibit the least overall effects of alteration, and the intensity of alteration varied from site to site. Previous investigations of low-temperature alteration in oceanic basement samples have been restricted by the myopic perspective provided by single drill holes or dredge collections. Combining core samples from Leg 187 and dredge samples from the AAD collection at Oregon State University (USA) offers the unique opportunity to investigate mineral and bulk chemical changes attending alteration of basalt over a range of ages from 0 to 28 Ma. Results of this research indicate that there is a general increase in the intensity of alteration as the basalts age and mosve off axis, but that this relationship is somewhat veiled by the dominating control on alteration intensity dictated by variations in permeability. Other/Unknown Material Antarc* Antarctic PANGAEA - Data Publisher for Earth & Environmental Science ENVELOPE(124.500000,134.998350,-41.271510,-50.200000) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
187-1152A 187-1152B 187-1153A 187-1154A 187-1155A 187-1155B 187-1156A 187-1156B 187-1157A 187-1157B 187-1158A 187-1158B 187-1158C 187-1159A 187-1160B 187-1161A 187-1161B 187-1162B 187-1163A 187-1164A 187-1164B Australian Antarctic Discordance Dredge DRG DRILL Drilling/drill rig Indian Ocean Joides Resolution Leg187 MA-MB-BB Ocean Drilling Program ODP |
spellingShingle |
187-1152A 187-1152B 187-1153A 187-1154A 187-1155A 187-1155B 187-1156A 187-1156B 187-1157A 187-1157B 187-1158A 187-1158B 187-1158C 187-1159A 187-1160B 187-1161A 187-1161B 187-1162B 187-1163A 187-1164A 187-1164B Australian Antarctic Discordance Dredge DRG DRILL Drilling/drill rig Indian Ocean Joides Resolution Leg187 MA-MB-BB Ocean Drilling Program ODP Miller, D Jay Kelley, J Bulk geochemistry, mass change and alteration intensity of basalts from ODP Leg 187 sites and survey dredges |
topic_facet |
187-1152A 187-1152B 187-1153A 187-1154A 187-1155A 187-1155B 187-1156A 187-1156B 187-1157A 187-1157B 187-1158A 187-1158B 187-1158C 187-1159A 187-1160B 187-1161A 187-1161B 187-1162B 187-1163A 187-1164A 187-1164B Australian Antarctic Discordance Dredge DRG DRILL Drilling/drill rig Indian Ocean Joides Resolution Leg187 MA-MB-BB Ocean Drilling Program ODP |
description |
Shipboard studies during Ocean Drilling Program Leg 187 (Australian Antarctic Discordance, AAD) suggested that there was no discernible coincidence between the interpreted age of rocks recovered and the intensity of alteration observed. Samples from the oldest sites occupied appeared to exhibit the least overall effects of alteration, and the intensity of alteration varied from site to site. Previous investigations of low-temperature alteration in oceanic basement samples have been restricted by the myopic perspective provided by single drill holes or dredge collections. Combining core samples from Leg 187 and dredge samples from the AAD collection at Oregon State University (USA) offers the unique opportunity to investigate mineral and bulk chemical changes attending alteration of basalt over a range of ages from 0 to 28 Ma. Results of this research indicate that there is a general increase in the intensity of alteration as the basalts age and mosve off axis, but that this relationship is somewhat veiled by the dominating control on alteration intensity dictated by variations in permeability. |
format |
Other/Unknown Material |
author |
Miller, D Jay Kelley, J |
author_facet |
Miller, D Jay Kelley, J |
author_sort |
Miller, D Jay |
title |
Bulk geochemistry, mass change and alteration intensity of basalts from ODP Leg 187 sites and survey dredges |
title_short |
Bulk geochemistry, mass change and alteration intensity of basalts from ODP Leg 187 sites and survey dredges |
title_full |
Bulk geochemistry, mass change and alteration intensity of basalts from ODP Leg 187 sites and survey dredges |
title_fullStr |
Bulk geochemistry, mass change and alteration intensity of basalts from ODP Leg 187 sites and survey dredges |
title_full_unstemmed |
Bulk geochemistry, mass change and alteration intensity of basalts from ODP Leg 187 sites and survey dredges |
title_sort |
bulk geochemistry, mass change and alteration intensity of basalts from odp leg 187 sites and survey dredges |
publisher |
PANGAEA |
publishDate |
2004 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.780737 https://doi.org/10.1594/PANGAEA.780737 |
op_coverage |
MEDIAN LATITUDE: -45.467722 * MEDIAN LONGITUDE: 129.128388 * SOUTH-BOUND LATITUDE: -50.200000 * WEST-BOUND LONGITUDE: 124.500000 * NORTH-BOUND LATITUDE: -41.271510 * EAST-BOUND LONGITUDE: 134.998350 * DATE/TIME START: 1996-01-01T00:00:00 * DATE/TIME END: 2000-01-06T09:00:00 |
long_lat |
ENVELOPE(124.500000,134.998350,-41.271510,-50.200000) |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
Supplement to: Miller, D Jay; Kelley, J (2004): Low-temperature alteration of basalt over time: a synthesis of results from Ocean Drilling Program Leg 187. In: Pedersen, RB; Christie, DM; Miller, DJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 187, 1-29, https://doi.org/10.2973/odp.proc.sr.187.206.2004 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.780737 https://doi.org/10.1594/PANGAEA.780737 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1594/PANGAEA.78073710.2973/odp.proc.sr.187.206.2004 |
_version_ |
1810490233047744512 |