Table 5.

Average Spectral Parameters Calculated From Five‐Location ChemCam Rasters of the Drill Tailings for the Successful and Unsuccessful (Shaded Cells) Drill Targets Studied Here

Drill target [sol]	750–840 nm slope	535 nm band depth	670/440 nm ratio
Oudam drill tailings (loose) [1364]	0.46e − 04 (6.63e − 06)	0.061 (0.001)	1.98 (0.04)
Oudam drill tailings (packed) [1366]	−0.14e − 04 (5.54e − 06)	0.050 (0.001)	1.72 (0.01)
Oudam dump pile presieve [1368]	−0.31e − 04 (6.62e − 06)	0.048 (0.001)	1.66 (0.01)
Marimba drill tailings (loose) [1425]	−2.32e − 04 (4.88e − 06)	0.101 (0.001)	2.36 (0.02)
Marimba drill tailings (packed 3–5) [1425]	−2.64e − 04 (3.78e − 05)	0.094 (0.003)	2.19 (0.09)
Marimba dump pile presieve [1427]	−2.15e − 04 (5.21e − 06)	0.095 (0.002)	2.20 (0.01)
Quela drill tailings [1466]	−1.73e − 04 (7.41e − 06)	0.162 (0.002)	4.28 (0.07)
Quela dump pile presieve [1467]	−1.78e − 04 (5.27e − 06)	0.140 (0.002)	3.69 (0.08)
Sebina drill tailings [1496]	−2.13e − 04 (9.90e − 06)	0.194 (0.007)	4.12 (0.23)
Lake Orcadie drill tailings [1978]	−1.39e − 04 (5.64e − 06)	0.042 (0.002)	1.16 (0.01)
Stranraer predust removal tool [2005]	−2.97e − 04 (1.65e − 05)	0.156 (0.020)	3.85 (0.34)
Duluth drill tailings [2059]	−1.45e − 04 (1.85e − 05)	0.279 (0.011)	7.15 (0.38)
Stoer dump pile [2156]	−0.51e − 04 (3.09e − 06)	0.200 (0.002)	5.38 (0.06)
Inverness drill tailings [2172]	−0.37e − 04 (5.93e − 07)	0.074 (0.002)	2.84 (0.05)
Highfield drill tailings [2225]	−0.54e − 04 (6.09e − 06)	0.027 (0.001)	1.39 (0.04)
Rock Hall tailings [2263]	−2.13e − 04 (8.30e − 06)	0.165 (0.001)	4.11 (0.05)

Note. Numbers in parentheses are the standard deviation of the average spectral parameter.