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Site Summaries (continued)

Site CAS-03C
Proposed site:
CAS-03C
Priority:
Alternate
Position:
48°37.633'N; 127°03.033'W
Water depth (m):
1875
Target drilling depth (mbsf):
300
Approved maximum penetration (mbsf):
300
Survey coverage:
Regional site survey lines
• PGC9902_CAS03_SC
• PGC9902_ODP7_MCS
• Line 89-08
• Line PGC0408_CAS03B_X03
Figure F10
Objective:
Site CAS-03C is an alternate location for Site CAS-03B. A stronger BSR can be seen in the MCS data from 1999 than underneath CAS-03B. This site is also unaffected by the presence of faults.
Objectives of this site include detailed characterization of
• pore-water chemistry
• core physical properties
• logging (LWD, wireline)
• gas hydrate concentration estimates
Drilling and Logging program
APC to refusal; XCB; PCS and HYACINTH (pending funding) pressure cores
Logging program
LWD, triple combo, FMS-sonic, multiple use of APCT, DVTPP
Nature of rock anticipated:
Interlayered silts and clays, some authigenic carbonates possible

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