Table T2. Electron microprobe analyses of iron concentrations within weakly luminescent dolomicrite, luminescent dolomicrite, and blocky dolomite from various Leg 175 dolomites.
Weakly luminescent dolomicrite |
|
Luminescent dolomite |
|
Blocky dolomite | |||
---|---|---|---|---|---|---|---|
Core, section,
interval (cm) |
Fe
(APFU) |
|
Core, section,
interval (cm)
|
Fe
(APFU) |
|
Core, section,
interval (cm)
|
Fe
(APFU) |
175-1082A- | 175-1081A- | 175-1082A- | |||||
15X-1, 0-8 | 0.019 | 17X-1, 5-12 | 0.009 | 22X-3, 114-125 | 0.021 | ||
15X-1, 0-8 | 0.028 | 17X-1, 5-12 | 0.000 | 22X-3, 114-125 | 0.021 | ||
15X-1, 0-8 | 0.017 | 17X-1, 5-12 | 0.001 | 22X-3, 114-125 | 0.013 | ||
15X-1, 0-8 | 0.028 | 17X-1, 5-12 | 0.001 | 22X-3, 114-125 | 0.022 | ||
15X-1, 0-8 | 0.005 | 17X-1, 5-12 | 0.009 | 22X-3, 114-125 | 0.019 | ||
15X-1, 0-8 | 0.026 | 17X-1, 5-12 | 0.001 | 22X-3, 114-125 | 0.026 | ||
15X-1, 0-8 | 0.019 | 22X-3, 114-125 | 0.034 | ||||
22X-3, 114-125 | 0.012 | 175-1084A- | 22X-3, 114-125 | 0.017 | |||
22X-3, 114-125 | 0.002 | 48X-1, 28-40 | 0.013 | 22X-3, 114-125 | 0.003 | ||
22X-3, 114-125 | 0.029 | 48X-1, 28-40 | 0.002 | 22X-3, 114-125 | 0.006 | ||
22X-3, 114-125 | 0.014 | 48X-1, 28-40 | 0.015 | 22X-3, 114-125 | 0.006 | ||
22X-3, 114-125 | 0.017 | 48X-1, 28-40 | 0.001 | ||||
22X-3, 114-125 | 0.005 | 48X-1, 28-40 | 0.017 | 175-1084A- | |||
22X-3, 114-125 | 0.023 | 48X-1, 28-40 | 0.013 | 48X-1, 28-40 | 0.023 | ||
22X-3, 114-125 | 0.015 | 48X-1, 28-40 | 0.001 | 48X-1, 28-40 | 0.035 | ||
22X-3, 114-125 | 0.011 | 48X-1, 28-40 | 0.001 | 48X-1, 28-40 | 0.025 | ||
22X-3, 114-125 | 0.004 | 48X-1, 28-40 | 0.006 | 48X-1, 28-40 | 0.015 | ||
22X-3, 114-125 | 0.006 | 48X-1, 28-40 | 0.002 | 48X-1, 28-40 | 0.042 | ||
22X-3, 114-125 | 0.025 | 48X-1, 28-40 | 0.001 | 48X-1, 28-40 | 0.026 | ||
22X-3, 114-125 | 0.002 | 48X-1, 28-40 | 0.001 | 48X-1, 28-40 | 0.023 | ||
22X-3, 114-125 | 0.032 | 48X-1, 28-40 | 0.001 | 48X-1, 28-40 | 0.028 | ||
48X-1, 28-40 | 0.001 | 48X-1, 28-40 | 0.003 | ||||
48X-1, 28-40 | 0.029 | ||||||
48X-1, 28-40 | 0.036 | ||||||
48X-1, 28-40 | 0.027 | ||||||
48X-1, 28-40 | 0.038 | ||||||
Average: | 0.016 ± 0.010 | Average: | 0.005 ± 0.005 | Average: | 0.022 ± 0.011 |
Notes: APFU = atoms per formula unit. Electron microprobe analysis of zoned dolomite was not possible because of its small crystal size (<12 µm) and disseminated nature.