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 Ám) and disseminated nature.