Stewart, Michael A; Klein, Emily M; Karson, Jeffrey A (2001): (Table 1) Field relationship of selected samples recovered from the north wall of the Hess Deep Rift [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.708016, In supplement to: Stewart, MA et al. (2002): eochemistry of dikes and lavas from the north wall of the Hess Deep Rift: Insights into the four-dimensional character of crustal construction at fast spreading mid-ocean ridges. Journal of Geophysical Research: Solid Earth, 107(B10), 2238, https://doi.org/10.1029/2001JB000545
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Coverage:
Median Latitude: 2.360062 * Median Longitude: -101.286219 * South-bound Latitude: 2.352000 * West-bound Longitude: -101.422000 * North-bound Latitude: 2.367000 * East-bound Longitude: -101.207000
Minimum DEPTH, water: 2200 m * Maximum DEPTH, water: 2888 m
Parameter(s):
# | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
---|---|---|---|---|---|---|
1 | LATITUDE | Latitude | Geocode | |||
2 | LONGITUDE | Longitude | Geocode | |||
3 | DEPTH, water | Depth water | m | Geocode | ||
4 | Sample code/label | Sample label | Stewart, Michael A | |||
5 | Sample comment | Sample comment | Stewart, Michael A | |||
6 | Comment | Comment | Stewart, Michael A | |||
7 | Comment 2 (continued) | Comm 2 | Stewart, Michael A | |||
8 | Comment 3 (continued) | Comm 3 | Stewart, Michael A | |||
9 | Comment 4 (continued) | Comm 4 | Stewart, Michael A |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
157 data points
Data
1 Latitude | 2 Longitude | 3 Depth water [m] | 4 Sample label | 5 Sample comment | 6 Comment | 7 Comm 2 | 8 Comm 3 | 9 Comm 4 |
---|---|---|---|---|---|---|---|---|
2.352 | -101.332 | 2667 | 3376-1507 | individual lava | SF | outcrop of lightly sedimented bulbous, rounded to elongated pillow forms 0.5-1 m in diameter | ||
2.356 | -101.269 | 2663 | 3366-1015 | dike pair | C-C | IF-MF | 60E | jagged angular outcrop of massive dikes with locally distinguishable massive tabular dikes with welldeveloped cooling joints; margins indistinct and dikes grading into highly fractured rock; cannot be certain of the crosscutting relationship |
2.356 | -101.269 | 2663 | 3366-1021 | dike pair (host) | P | as 3366-1015 | ||
2.357 | -101.422 | 2888 | 3371-1422 | individual dike | C-C | MF | 70E | swarm of four to five dikes 0.25-1.0 m wide cutting outcrop of sheeted dike at near right angle |
2.357 | -101.413 | 2816 | 3379-1438 | individual lava | Uf-MF | pillow lava pile with pillow structures ranging to ~1 m in diameter | ||
2.357 | -101.413 | 2835 | 3379-1426 | individual lava | MF-IF | angular, tabular blocks in outcrop of pillow lavas | ||
2.357 | -101.260 | 2750 | 3367-1509 | dike pair | P | SF-MF | 75E | parallel dikes 0.5-1.0 m wide with very few massive crosscutting dikes; samples from two adjacent parallel dikes |
2.357 | -101.260 | 2750 | 3367-1515 | dike pair | P | as 3367-1509 | ||
2.358 | -101.413 | 2765 | 3380-1037 | individual dike | C-C | MF 7 | 0E | outcrop of east sipping dikes (50%) intruding fractured host gabbroic intrusives (50%) |
2.358 | -101.286 | 2584 | 3373-1147 | individual dike | P | SF-MF | 60E | outcrop of 0.5-1.0 m wide, east dipping dikes standing out in high relief with more densely fractured rock surrounding |
2.359 | -101.267 | 2498 | 3366-1124 | dike pair | IF | IF | as 3366-1117 | |
2.359 | -101.267 | 2499 | 3366-1117 | dike pair | C-C | UF | 60E | few massive late dikes (<2.0 m wide) intruding an outcrop of shattered dikes; samples of both |
2.359 | -101.264 | 2486 | 3375-1140 | dike and dike (host) pair | IF | as 3375-1125 | ||
2.359 | -101.264 | 2492 | 3375-1125 | dike and dike (host) pair | C-C | SF-MF | 60E | parallel swarm of thin to massive dikes cut by few massive discordant dikes; sample 3375-1140 from fractured dike material between crosscutting dikes |
2.360 | -101.409 | 2530 | 3380-1141 | individual lava | UF-MF | outcrop of pillow lavas intruded by rare east dipping dikes | ||
2.360 | -101.263 | 2502 | 3375-1208 | individual dike | unknown | MF-IF | 60E | fractured outcrop of a dike complex with few distinguishable dike margins |
2.360 | -101.263 | 2502 | 3375-1223 | dike pair | Parallel (adjacent dikes) | MF | 50W | west dipping sheeted dike complex; dikes ranging from 0.5 to 1.0 m wide; sampled adjacent dikes |
2.360 | -101.262 | 2498 | 3375-1224 | dike pair | Parallel (adjacent dikes) | as 3375-1223 | ||
2.360 | -101.262 | 2498 | 3375-1232 | dike pair P | (adjacent dikes) | SF | 70E | swarm of parallel dikes 1.0-2.0 m wide with few crosscutting nearly vertical dikes; sampled adjacent dikes from the vertical swarm. |
2.360 | -101.262 | 2499 | 3375-1234 | dike pair | as 3374-1234 | |||
2.361 | -101.256 | 2462 | 3368-1058 | individual dike | P | SF-MF | 65E | outcrop of sheeted dikes 0.1-0.4 m wide |
2.361 | -101.245 | 2648 | 3374-1454 | dike pair | P | as 3374-1444 | ||
2.362 | -101.284 | 2261 | 3373-1322 | dike and lava (host) pair | IF | as 3373-1147 | ||
2.362 | -101.284 | 2272 | 3373-1316 | dike and lava (host) pair | C-C | IF-MF | 60ñ70E | swarm of dikes intruding fractured tabular blocks of dike rocks; sample 1316 from a massive, 1.5-mwide dike, and sample 1322 collected from the fractured host |
2.362 | -101.245 | 2663 | 3374-1444 | dike pair | P | SF | 80E | swarm of massive parallel dikes; adjacent dikes sampled |
2.364 | -101.284 | 2212 | 3380-1501 | individual lava | MF | sample from a spur composed of basaltic extrusives dominated by pillow forms | ||
2.364 | -101.284 | 2213 | 3380-1447 | individual lava | UF-MF | sample from outcrip of lavas (rare massive flows, common pillow/lobate forms) forming a lightly sedimented bench slopping 25-30g | ||
2.364 | -101.267 | 2200 | 3368-1443 | dike and lava (host) pair | as 3368-1443 | |||
2.364 | -101.267 | 2400 | 3368-1433 | dike and lava (host) pair | C-C | SF | massive dike intruding slightly fractured pillow lavas | |
2.365 | -101.207 | 2648 | 3372-1012 | dike pair | C-C | UF | two thick (1-2 m wide) sinuous dikes (samples 1002 and 1012) cutting intensely fractured dike host rock (sample 1017); the host apparently composed of columnar jointed blocks of a dike | |
2.365 | -101.207 | 2648 | 3372-1017 | dike pair (host) | IF | IF | as 3372-1012 | |
2.367 | -101.209 | 2463 | 3376-1416 | individual dike | P | IF | sample collected from outcrop of fractured basaltic material within the dike-lava transition zone |