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Latitude (°N)
Longitude (°W)
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San Francisco
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37.45°
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Starting port for Leg 204 (leg begins w/1st line ashore)
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122.27°
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(Note: load all Anadril LWD, Hyacinth, and PCS tools)
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5.0
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Transit ~448 nmi to Site HR1a @ 10.5 kt
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1.8
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HR1a
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976
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44.586159°
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350
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Hole A: APC to ~150 mbsf, XCB to ~350 mbsf;
Adara, DVTP
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2.3
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125.119213°
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Hole B: drill LWD hole to 350 mbsf
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1.5
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3.8
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Transit ~1.2 nmi to Site HR3a @ 10.5 kt
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0.1
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HR3a
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893
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44.586152°
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700
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Hole A: drill LWD hole to 350 mbsf
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1.4
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125.148464°
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1.4
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Transit ~3.3 nmi to Site HR2alt @ 10.5 kt
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0.1
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HR2alt
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1221
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44.57031°
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620
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Hole A: drill LWD hole to 350 mbsf
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1.6
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125.074193°
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1.6
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Transit ~3.2 nmi to Site HR4a @ 10.5 kt
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0.1
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HR4a
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773
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44.568605°
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100
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Hole A: drill LWD hole to 100 mbsf
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0.9
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125.149480°
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0.9
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Transit ~0.1 nmi to Site HR4b @ 10.5 kt
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0.1
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HR4b
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803
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44.570386°
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60
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Hole A: drill LWD hole to 60 mbsf
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0.8
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125.147657°
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0.8
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Transit ~0.4 nmi to Site HR4c @ 10.5 kt
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0.1
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HR4c
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795
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44.577631°
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240
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Hole A: drill LWD hole to 240 mbsf
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1.2
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125.150153°
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1.2
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Transit ~124 nmi to Astoria @ 10.5 kt
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0.6
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Astoria
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46.12°
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NA
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Mid-leg port call: offload LWD tools
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0.4
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123.50°
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(estimate 12-hr port call—daylight only)
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Transit ~126 nmi to Site HR2alt @ 10.5 kt
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0.6
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HR2alt
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1221
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44.57031°
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620
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Hole B: APC to ~150 mbsf, XCB to ~500 mbsf;
Adara, DVTP
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3.1
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125.074193°
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Hole C: APC to ~150 mbsf, XCB to ~500 mbsf;
PCS, Hyacinth
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3.7
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6.8
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Transit ~3.2 nmi to Site HR4a @ 10.5 kt
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0.1
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HR4a
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773
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44.568605°
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100
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Hole B: APC to ~100 mbsf;
Adara
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0.7
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125.149480°
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Hole C: APC to ~100 mbsf;
PCS, Hyacinth
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1.1
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1.8
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Transit ~1.1 nmi to Site HR3a @ 10.5 kt
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0.1
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HR3a
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893
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44.586152°
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700
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Hole B: APC to ~150 mbsf, XCB to 500 mbsf;
DVTP
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2.9
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125.148464°
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Hole C: APC to ~150 mbsf, XCB to 500 mbsf;
PCS, Hyacinth
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3.4
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Hole D: drill to ~490 mbsf, RCB to 700 mbsf;
MBR
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3.5
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2.5
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(WL log—triple combo/FMS-sonic/VSP/offset)
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12.3
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Transit ~1.2 nmi to Site HR1a @ 10.5 kt
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0.1
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HR1a
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976
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44.586159°
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350
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Hole C: APC to ~150 mbsf, XCB to ~350 mbsf;
PCS, Hyacinth
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3.2
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2.5
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125.119213°
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(WL log—triple combo/FMS-sonic/VSP/offset)
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5.7
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Transit ~2.1 nmi to Site HR2alt @ 10.5 kt
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0.1
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HR2alt
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1221
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44.57031°
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620
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Hole D: drill to ~490 mbsf, RCB to 620 mbsf;
MBR
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3.5
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2.5
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125.074193°
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(WL log—triple combo/FMS-sonic/VSP/offset)
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6.0
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Transit ~3.1 nmi to Site HR4b @ 10.5 kt
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0.1
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HR4b
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803
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44.570386°
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60
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Hole B: APC to ~60 mbsf;
Adara
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0.6
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125.147657°
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Hole C: APC to ~60 mbsf;
PCS, Hyacinth
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0.9
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1.5
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Transit ~0.4 nmi to Site HR4c @ 10.5 kt
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0.1
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HR4c
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795
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44.577631°
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240
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Hole B: APC to ~150 mbsf, XCB to 240 mbsf;
DVTP
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1.3
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125.150153°
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Hole C: APC to ~150 mbsf, XCB to 240 mbsf;
PCS, Hyacinth
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2.2
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3.5
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Transit ~819 nmi to San Diego @ 10.5 kt
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3.4
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San Diego
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32.45°
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Ending port for Leg 203
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117.10°
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(leg officially ends with 1st line ashore)
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Subtotal:
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5.4
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7.5
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39.6
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7.5
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47.1
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Total operating days (including days in port):
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60.0
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2.2
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3.5
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