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Moving forward, technicians who set up the tools should record the pressure barrel/snubber part numbers in the orientation tool log as a means to troubleshoot suspicious data. It is further suggested that each tool be used with the same pressure barrel/snubber each time. See Table 1 for suggested Icefield tool and corresponding pressure barrel scheme.
Icefield Tool Number | Pressure Barrel/Snubber Number |
2007 | 101 |
2043 | 104 |
2052 | 107 |
Table 1: Icefield Part Numbers
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Orientation data was not uploading correctly through MUT. The first core in an uploaded file would be uploaded as the correct core. The remaining cores in that same file would be uploaded as a different core. It was strange that one core would upload as Hole C for example, while the remainder would be uploaded as Hole B, because the header line of the file is the only place that specifies the hole. The developer determined the issue was a statically defined variable. The issue would only appear if data from more than one hole is uploaded at the same time. The short holes and rapid turnover of orientation tools is likely why this issue arose this expedition and not before. A new version of MUT was rolled out and the data was re-uploaded. Old data that was incorrect was cancelled.
Appendix
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A.1 Discrete Sample Information
Table A.1 Discrete Sample Information
Sample ID | Sample | Sub-sample | Sample Type | Notes | AMS | NRM (AFD) | NRM (Thermal Demag) | ARM-ACQ | ARM AFD | IRM - AQC | IRM AFD |
CUBE10821131 | 384-U1554A-2H-2-W-073 | Extrude | Laschamp Excursion? | KLY-4 | SRM | 50 uT | 50 uT | ||||
CUBE10821141 | 384-U1554A-2H-2-W-117 | Extrude | Laschamp Excursion? | KLY-4 | SRM/JR-6 | 1000 mT | |||||
CUBE10821151 | 384-U1554A-2H-2-W-138 | Extrude | Laschamp Excursion? | KLY-4 | SRM/JR-6 | 1000 mT | |||||
CUBE10821161 | 384-U1554A-2H-3-W-016 | Extrude | Laschamp Excursion? | KLY-4 | SRM | 50 uT | |||||
CUBE10821171 | 384-U1554A-2H-3-W-130 | Push | Laschamp Excursion? | KLY-4 | SRM | 50 uT | |||||
CUBE10816581 | 384-U1554A-2H-7-W-045 | Push | Laschamp Excursion? | KLY-4 | SRM | 50 uT | |||||
CUBE10821391 | 384-U1554A-5H-6-W-024 | Push | Non-Disturbed for same interval at U1554B | KLY-4 | SRM/JR-6 | 1000 mT | |||||
CUBE10821401 | 384-U1554A-5H-6-W-073 | Push | Non-Disturbed for same interval at U1554B | KLY-4 | SRM/JR-6 | 1000 mT | |||||
CUBE10821411 | 384-U1554A-5H-6-W-105 | Push | Non-Disturbed for same interval at U1554B | KLY-4 | SRM | 50 uT | |||||
CUBE10821331 | 384-U1554B-5H-2-W-034 | Push | Disturbed core "suck-in" | KLY-4 | SRM/JR-6 | 1000 mT | |||||
CUBE10821341 | 384-U1554B-5H-2-W-051 | Push | Disturbed core "suck-in" | KLY-4 | SRM/JR-6 | Post 1000 mT IRM | 50 uT | 50 uT | 1000 mT | 1000 mT | |
CUBE10821351 | 384-U1554B-5H-2-W-091 | A | Push +90 | Disturbed core "suck-in": Edge | KLY-4 | SRM/JR-6 | 50 uT | 50 uT | 1000 mT | ||
CUBE10821361 | 384-U1554B-5H-2-W-091 | B | Push +90 | Disturbed core "suck-in": Crown | KLY-4 | SRM/JR-6 | 50 uT | 50 uT | 1000 mT | ||
CUBE10821371 | 384-U1554B-5H-2-W-091 | C | Push +90 | Disturbed core "suck-in": Opposite Edge | KLY-4 | SRM/JR-6 | 50 uT | 50 uT | 1000 mT | ||
CUBE10821381 | 384-U1554B-5H-2-W-134 | Push | Disturbed core "suck-in" | KLY-4 | SRM/JR-6 | Post 1000 mT IRM | 50 uT | 50 uT | 1000 mT | 1000 mT | |
CUBE10834371 | 384-U1555F-3R-1-W-033 | Cube | Training | Measured without any demag steps | |||||||
CYL10834381 | 384-U1555F-4R-1-W-074 | Mini-core | Training | Measured without any demag steps | |||||||
OTHR10834391 | 384-U1555F-4R-2-W-035 | 1 | Gararray (Gary Array) | 1 cm slab cut into 15 subsamples | SRM | ||||||
OTHR10834401 | 384-U1555F-4R-2-W-035 | 2 | Gararray | 1 cm slab cut into 15 subsamples | SRM | ||||||
OTHR10834411 | 384-U1555F-4R-2-W-035 | 3 | Gararray | 1 cm slab cut into 15 subsamples | SRM | ||||||
OTHR10834421 | 384-U1555F-4R-2-W-035 | 4 | Gararray | 1 cm slab cut into 15 subsamples | SRM | ||||||
OTHR10834431 | 384-U1555F-4R-2-W-035 | 5 | Gararray | 1 cm slab cut into 15 subsamples | SRM | ||||||
OTHR10834441 | 384-U1555F-4R-2-W-035 | 6 | Gararray | 1 cm slab cut into 15 subsamples | SRM | ||||||
OTHR10834451 | 384-U1555F-4R-2-W-035 | 7 | Gararray | 1 cm slab cut into 15 subsamples | SRM | ||||||
OTHR10834461 | 384-U1555F-4R-2-W-035 | 8 | Gararray | 1 cm slab cut into 15 subsamples | SRM | ||||||
OTHR10834471 | 384-U1555F-4R-2-W-035 | 9 | Gararray | 1 cm slab cut into 15 subsamples | SRM | ||||||
OTHR10834481 | 384-U1555F-4R-2-W-035 | 10 | Gararray | 1 cm slab cut into 15 subsamples | SRM | ||||||
OTHR10834491 | 384-U1555F-4R-2-W-035 | 11 | Gararray | 1 cm slab cut into 15 subsamples | SRM | ||||||
OTHR10834501 | 384-U1555F-4R-2-W-035 | 12 | Gararray | 1 cm slab cut into 15 subsamples | SRM | ||||||
OTHR10834511 | 384-U1555F-4R-2-W-035 | 13 | Gararray | 1 cm slab cut into 15 subsamples | SRM | ||||||
OTHR10834521 | 384-U1555F-4R-2-W-035 | 14 | Gararray | 1 cm slab cut into 15 subsamples | SRM | ||||||
OTHR10834531 | 384-U1555F-4R-2-W-035 | 15 | Gararray | 1 cm slab cut into 15 subsamples | SRM | ||||||
CYL10834541 | 384-U1555F-5R-1-W-100 | Mini-core | Training | Measured without any demag steps | YES | ||||||
CUBE10834551 | 384-U1555F-6R-1-W-041 | Cube | Training | Measured without any demag steps | YES |