Baines, A Graham; Cheadle, Michael J; John, Barbara E; Grimes, Craig B; Schwartz, Joshua J; Wooden, Joseph L (2009): (Table 1) Sample description of ODP Hole 118-735B [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.789167, In supplement to: Baines, AG et al. (2009): SHRIMP Pb/U zircon ages constrain gabbroic crustal accretion at Atlantis Bank on the ultraslow-spreading Southwest Indian Ridge. Earth and Planetary Science Letters, 287(3-4), 540-550, https://doi.org/10.1016/j.epsl.2009.09.002
Always quote citation above when using data! You can download the citation in several formats below.
Related to:
John, Barbara E; Foster, David A; Murphy, John M; Cheadle, Michael J; Baines, A Graham; Fanning, C Mark; Copeland, Peter (2004): Determining the cooling history of in situ lower oceanic crust-Atlantis Bank, SW Indian Ridge. Earth and Planetary Science Letters, 222(1), 145-160, https://doi.org/10.1016/j.epsl.2004.02.014
Stakes, Debra S; Mével, Catherine; Cannat, Mathilde; Chaput, Teresa (1991): Metamorphic stratigraphy of Hole 735B. In: Von Herzen, RP; Robinson, PT; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 118, 153-180, https://doi.org/10.2973/odp.proc.sr.118.127.1991
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -32.753717 * Median Longitude: 57.291100 * South-bound Latitude: -32.818240 * West-bound Longitude: 57.266200 * North-bound Latitude: -32.718910 * East-bound Longitude: 57.329570
Date/Time Start: 1987-12-06T04:45:00 * Date/Time End: 1998-05-10T15:50:00
Minimum DEPTH, sediment/rock: 0 m * Maximum DEPTH, sediment/rock: 1430 m
Event(s):
118-735B * Latitude: -32.724000 * Longitude: 57.266200 * Date/Time Start: 1987-12-06T04:45:00 * Date/Time End: 1987-12-11T01:00:00 * Elevation: -731.0 m * Penetration: 500.7 m * Recovery: 434.81 m * Location: South Indian Ridge, South Indian Ocean * Campaign: Leg118 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 88 cores; 500.7 m cored; 0 m drilled; 86.8 % recovery
179-1105A * Latitude: -32.718910 * Longitude: 57.277530 * Date/Time Start: 1998-05-02T06:50:00 * Date/Time End: 1998-05-10T15:50:00 * Elevation: 0.0 m * Penetration: 158 m * Recovery: 118.43 m * Location: Indian Ocean * Campaign: Leg179 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 30 cores; 143 m cored; 15 m drilled; 82.8 % recovery
Parameter(s):
# | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
---|---|---|---|---|---|---|
1 | Event label | Event | ||||
2 | Sample code/label | Sample label | Baines, A Graham | DSDP/ODP/IODP sample designation | ||
3 | Piece | Piece | Baines, A Graham | |||
4 | DEPTH, sediment/rock | Depth sed | m | Geocode – mbsf | ||
5 | Rock type | Rock | Baines, A Graham | |||
6 | Grain size description | Grain size descr | Baines, A Graham | |||
7 | Alteration | Alteration | % | Baines, A Graham | ||
8 | Lithologic unit/sequence | Unit | Baines, A Graham | tectonic block | ||
9 | Lithologic unit/sequence | Unit | Baines, A Graham | Magmatic series | ||
10 | Replicates | Repl | # | Baines, A Graham | ||
11 | Age, dated | Age dated | ka | Baines, A Graham | 207Pb-corrected 206Pb/238U zircon error-weighted mean sample ages adjusted for Th disequilibria | |
12 | Age, dated standard deviation | Age dated std dev | ± | Baines, A Graham | ||
13 | Comment | Comment | Baines, A Graham |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
141 data points
Data
1 Event | 2 Sample label | 3 Piece | 4 Depth sed [m] (mbsf) | 5 Rock | 6 Grain size descr | 7 Alteration [%] | 8 Unit (tectonic block) | 9 Unit (Magmatic series) | 10 Repl [#] | 11 Age dated [ka] (207Pb-corrected 206Pb/238U zi...) | 12 Age dated std dev [±] | 13 Comment |
---|---|---|---|---|---|---|---|---|---|---|---|---|
118-735B | 118-735B-7D-1,10-18 | 2A | 26 | Strongly foliated clinopyroxene hornblende actinolite gabbro intruded by a less-deformed zircon-bearing diorite vein | coarse | 80 | I | 1 | 11 | 11640 | 540 | A 11.3 Ma age previously reported by Stakes et al, 1991. Zircon-bearing gabbro slightly deformed and intrudes highly deformed gabbros |
118-735B | 118-735B-14R-2,93-96 | 1D | 53 | Diorite vein cutting foliated gabbro | fine | 80 | I | 1 | 6 | 11800 | 640 | |
118-735B | 118-735B-28R-1,56-60 | 6 | 127 | Olivine-bearing gabbro (mylonitic) | fine - medium | 83 | I | 1 | 10 | 12130 | 210 | Down temperature overprinting of deformation and alteration |
118-735B | 118-735B-57R-3,44-47 | 1C | 278 | Biotite hornblende diorite hosting brecciated Ol-bearing gabbro clasts | coarse | 30 | I | 2 | 19 | 11870 | 170 | |
118-735B | 176-735B-90R-8,49-54 | 1A | 517 | Hornblende quartz diorite to granodiorite dike cutting troctolite | medium | 15 | Fault Zone | 2 | 15 | 12020 | 110 | 2-cm-wide vein with an alteration halo in the country rock |
118-735B | 176-735B-104R-3,5-11 | 1 | 606 | Hornblende quartz diorite hosting brecciated olivine gabbro clasts | medium | 60 | II | 3 | 15 | 12020 | 140 | Dated by John et al, 2004 |
118-735B | 176-735B-110R-4,8-13 | 2A | 638 | Clinopyroxene, biotite,hornblende diorite dike cutting olivine gabbro | medium | 20 | II | 3 | 8 | 11930 | 170 | Magmatic Vein brecciates host |
118-735B | 176-735B-126R-5,85-98 | 2B | 762 | Hornblende quartz diorite, tonalite and granodiorite dike cutting olivine gabbro | medium | 8 | III | 3 | 14 | 12040 | 170 | |
118-735B | 176-735B-137R-2,71-75 | 3 | 854 | Disseminated oxide, amphibole diorite dike cutting olivine gabbro | medium | 10 | III | 3 | 11 | 12040 | 160 | 12-mm-wide compound felsic vein, two age components |
118-735B | 176-735B-137R-2,71-75 | 3 | 854 | Disseminated oxide, amphibole diorite dike cutting olivine gabbro | medium | 10 | III | 3 | 3 | 10920 | 280 | |
118-735B | 176-735B-154R-3,52-55 | 3A | 1008 | Orthopyroxene-bearing, disseminated oxide gabbro infiltration into olivine gabbro | coarse | 5 | III | 3 | 4 | 11620 | 290 | |
118-735B | 176-735B-202R-7,85-94 | 2 | 1430 | Disseminated oxide amphibole diorite dike cutting olivine gabbro and troctolitic microgabbro | medium | 4 | IV | 3 | 6 | 11860 | 200 | |
179-1105A | 179-1105A-8R-4,21-25 | 2 | 57 | Diffuse oxide diorite dike intruding an oxide and olivine-bearing gabbro | medium | 14 | 12 | 11910 | 230 | |||
K653-17 | JAMSTEC sample6 K653-17 | 0 | Gabbro mylonite | fine | 80 | 8 | 11270 | 310 |