171A Scientific Prospectus

SITE TIME ESTIMATE TABLE

Primary Sites
Site

Latitude

Longi tud e

Water depth

(mbsl )

Penet rati on

(mbsf )

Transit

(days )

Loggi ng-w hile -drill ing (LWD)

(days )

Sonic logging

(days )

Total

(days )

Transit Panama to Site NBR-5A

5.5

5.5

NBR- 11A

(Site 672)

1 5°32. 40'N

5 8°38. 46'W

4938

700

2.6

2.6

NBR- 5A

1 5°32. 40'N

5 8°43. 395' W

4970

800

2.7

2.0

4.7

NBR- 9A

(Site 949)

1 5°32. 161'N

5 8°42. 849' W

4894

600

2.3

2.3

NBR- 10A

(Site 676)

1 5°32. 85'N

5 8°42. 20'W

5052

500

2.1

2.1

Transit from Site NBR-10A to Bridgetown, Barbados

0.8

0.8

Total

6.3

9.7

2.0

18.0

Alternate Sites
NBR- 1A

1 5°32. 026'N

5 8°40. 574' W

5026

750

NBR- 8A

1 5°32. 21'N

5 8°43. 39'W

4756

800

NBR- 12A

(Site 541)

1 5°31. 2'N

5 8°43. 7'W

4950

650


Note: The following assumptions were used to produce the above time estimates: no hole problems, penetration rate = 20 m/hr, transit speed = 10 nmi/hr.

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