skip navigation link
 NOAA > NESDIS > NGDC > marine geology & geophysics > geology > ocean drilling
privacy policy 

NOAA/NGDC
WDC MGG Seafloor Series Vol I

Core Data from the Deep Sea Drilling Project


Leg :  6    Top/Bot Interval(mm): 1400/1450  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):     9.10
Core:   1   Depth Top Sample(m) :    10.53
Sect:  1    No. Observed Fossils:     4

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1071

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (COMMON/)
  EUCYRTIDIUM CALVERTENSE (RARE/)
  EUCYRTIDIUM TUMIDULUM (RARE/)
  STYLATRACTUS UNIVERSUS (RARE/)



Leg :  6    Top/Bot Interval(mm):  100/ 110  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):     9.10
Core:   1   Depth Top Sample(m) :    10.70
Sect:  2    No. Observed Fossils:     4

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1071

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  EUCYRTIDIUM TUMIDULUM (FEW/)
  STYLATRACTUS UNIVERSUS (FEW/)



Leg :  6    Top/Bot Interval(mm):  210/ 230  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):     9.10
Core:   1   Depth Top Sample(m) :    12.32
Sect:  3    No. Observed Fossils:     3

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1071

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  EUCYRTIDIUM TUMIDULUM (FEW/)



Leg :  6    Top/Bot Interval(mm):  160/ 180  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):     9.10
Core:   1   Depth Top Sample(m) :    13.77
Sect:  4    No. Observed Fossils:     4

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1071

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  EUCYRTIDIUM TUMIDULUM (FEW/)
  STYLATRACTUS UNIVERSUS (RARE/)



Leg :  6    Top/Bot Interval(mm):  180/ 200  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    18.30
Core:   2   Depth Top Sample(m) :    19.99
Sect:  2    No. Observed Fossils:     5

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1071

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  EUCYRTIDIUM TUMIDULUM (FEW/)
  LITHOPERA BACCA (RARE/)
  STYLATRACTUS UNIVERSUS (RARE/)



Leg :  6    Top/Bot Interval(mm):  800/ 820  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    18.30
Core:   2   Depth Top Sample(m) :    20.61
Sect:  2    No. Observed Fossils:     5

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1071

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (RARE/)
  EUCYRTIDIUM MATUYAMAI (RARE/)
  EUCYRTIDIUM TUMIDULUM (FEW/)
  STYLATRACTUS UNIVERSUS (FEW/)



Leg :  6    Top/Bot Interval(mm):  180/ 200  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    18.30
Core:   2   Depth Top Sample(m) :    21.49
Sect:  3    No. Observed Fossils:     5

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1071

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  EUCYRTIDIUM MATUYAMAI (RARE/)
  EUCYRTIDIUM TUMIDULUM (FEW/)
  STYLATRACTUS UNIVERSUS (FEW/)



Leg :  6    Top/Bot Interval(mm):  710/ 730  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    18.30
Core:   2   Depth Top Sample(m) :    22.02
Sect:  3    No. Observed Fossils:     2

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1096

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (PRESENT/)
  STYLATRACTUS UNIVERSUS (PRESENT/)



Leg :  6    Top/Bot Interval(mm):  180/ 200  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    18.30
Core:   2   Depth Top Sample(m) :    22.99
Sect:  4    No. Observed Fossils:     5

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1071

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  EUCYRTIDIUM MATUYAMAI (RARE/)
  EUCYRTIDIUM TUMIDULUM (RARE/)
  STYLATRACTUS UNIVERSUS (FEW/)



Leg :  6    Top/Bot Interval(mm):  780/ 800  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    18.30
Core:   2   Depth Top Sample(m) :    23.59
Sect:  4    No. Observed Fossils:     5

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (RARE/)
  EUCYRTIDIUM MATUYAMAI (RARE/)
  EUCYRTIDIUM TUMIDULUM (RARE/)
  STYLATRACTUS UNIVERSUS (FEW/)



Leg :  6    Top/Bot Interval(mm):  160/ 180  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    18.30
Core:   2   Depth Top Sample(m) :    24.47
Sect:  5    No. Observed Fossils:     6

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  EUCYRTIDIUM TUMIDULUM (FEW/)
  LAMPROCYCLAS HETEROPOROS (FEW/)
  LITHOPERA BACCA (FEW/)
  STYLATRACTUS UNIVERSUS (RARE/)



Leg :  6    Top/Bot Interval(mm):  780/ 800  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    18.30
Core:   2   Depth Top Sample(m) :    25.09
Sect:  5    No. Observed Fossils:     4

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  LAMPROCYCLAS HETEROPOROS (RARE/)
  STYLATRACTUS UNIVERSUS (FEW/)



Leg :  6    Top/Bot Interval(mm):  180/ 200  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    18.30
Core:   2   Depth Top Sample(m) :    25.99
Sect:  6    No. Observed Fossils:     4

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  EUCYRTIDIUM TUMIDULUM (FEW/)
  LAMPROCYCLAS HETEROPOROS (PRESENT/)



Leg :  6    Top/Bot Interval(mm):  710/ 730  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    18.30
Core:   2   Depth Top Sample(m) :    26.52
Sect:  6    No. Observed Fossils:     5

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  EUCYRTIDIUM TUMIDULUM (FEW/)
  LAMPROCYCLAS HETEROPOROS (RARE/)
  STYLATRACTUS UNIVERSUS (FEW/)



Leg :  6    Top/Bot Interval(mm):    0/   0  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    18.30
Core:   2   Depth Top Sample(m) :    27.40
Sect: CC    No. Observed Fossils:     4

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  EUCYRTIDIUM TUMIDULUM (FEW/)
  LAMPROCYCLAS HETEROPOROS (PRESENT/)



Leg :  6    Top/Bot Interval(mm): 1300/1320  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    27.40
Core:   3   Depth Top Sample(m) :    28.71
Sect:  1    No. Observed Fossils:     4

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (COMMON/)
  EUCYRTIDIUM CALVERTENSE (PRESENT/)
  EUCYRTIDIUM TUMIDULUM (FEW/)
  STYLATRACTUS UNIVERSUS (RARE/)



Leg :  6    Top/Bot Interval(mm):  150/ 170  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    27.40
Core:   3   Depth Top Sample(m) :    29.06
Sect:  2    No. Observed Fossils:     3

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (COMMON/)
  LAMPROCYCLAS HETEROPOROS (RARE/)



Leg :  6    Top/Bot Interval(mm):  160/ 180  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    27.40
Core:   3   Depth Top Sample(m) :    30.57
Sect:  3    No. Observed Fossils:     4

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  EUCYRTIDIUM TUMIDULUM (FEW/)
  STYLATRACTUS UNIVERSUS (FEW/)



Leg :  6    Top/Bot Interval(mm):  790/ 790  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    27.40
Core:   3   Depth Top Sample(m) :    32.69
Sect:  4    No. Observed Fossils:     3

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  LAMPROCYCLAS HETEROPOROS (RARE/)



Leg :  6    Top/Bot Interval(mm):    0/   0  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    27.40
Core:   3   Depth Top Sample(m) :    33.50
Sect: CC    No. Observed Fossils:     6

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  EUCYRTIDIUM TUMIDULUM (FEW/)
  LAMPROCYCLAS HETEROPOROS (RARE/)
  LITHOPERA BACCA (RARE/)
  STICHOCORYS PEREGRINA (COMMON/)



Leg :  6    Top/Bot Interval(mm):  200/ 220  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    36.60
Core:   4   Depth Top Sample(m) :    36.81
Sect:  1    No. Observed Fossils:     5

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  LAMPROCYCLAS HETEROPOROS (RARE/)
  STICHOCORYS PEREGRINA (RARE/)
  STYLATRACTUS UNIVERSUS (PRESENT/)



Leg :  6    Top/Bot Interval(mm):  190/ 210  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    36.60
Core:   4   Depth Top Sample(m) :    38.30
Sect:  2    No. Observed Fossils:     6

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  EUCYRTIDIUM TUMIDULUM (FEW/)
  LAMPROCYCLAS HETEROPOROS (RARE/)
  LITHOPERA BACCA (FEW/)
  STICHOCORYS PEREGRINA (PRESENT/)



Leg :  6    Top/Bot Interval(mm):   60/  80  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    36.60
Core:   4   Depth Top Sample(m) :    39.67
Sect:  3    No. Observed Fossils:     5

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  LAMPROCYCLAS HETEROPOROS (RARE/)
  STICHOCORYS PEREGRINA (COMMON/)
  STYLATRACTUS UNIVERSUS (RARE/)



Leg :  6    Top/Bot Interval(mm):   60/  80  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    36.60
Core:   4   Depth Top Sample(m) :    41.17
Sect:  4    No. Observed Fossils:     6

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (RARE/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  LAMPROCYCLAS HETEROPOROS (PRESENT/)
  LITHOPERA BACCA (FEW/)
  STICHOCORYS PEREGRINA (COMMON/)
  STYLATRACTUS UNIVERSUS (RARE/)



Leg :  6    Top/Bot Interval(mm):  250/ 270  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    36.60
Core:   4   Depth Top Sample(m) :    42.86
Sect:  5    No. Observed Fossils:     4

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  LITHOPERA BACCA (RARE/)
  STICHOCORYS PEREGRINA (COMMON/)



Leg :  6    Top/Bot Interval(mm):   60/  80  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    36.60
Core:   4   Depth Top Sample(m) :    44.17
Sect:  6    No. Observed Fossils:     4

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  LITHOPERA BACCA (FEW/)
  STICHOCORYS PEREGRINA (COMMON/)



Leg :  6    Top/Bot Interval(mm):    0/   0  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    36.60
Core:   4   Depth Top Sample(m) :    45.70
Sect: CC    No. Observed Fossils:     4

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  LAMPROCYCLAS HETEROPOROS (RARE/)
  LITHOPERA BACCA (FEW/)
  STICHOCORYS PEREGRINA (COMMON/)



Leg :  6    Top/Bot Interval(mm):  180/ 200  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    45.70
Core:   5   Depth Top Sample(m) :    47.39
Sect:  2    No. Observed Fossils:     5

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  EUCYRTIDIUM TUMIDULUM (FEW/)
  LAMPROCYCLAS HETEROPOROS (PRESENT/)
  STICHOCORYS PEREGRINA (COMMON/)



Leg :  6    Top/Bot Interval(mm):  160/ 180  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    45.70
Core:   5   Depth Top Sample(m) :    48.87
Sect:  3    No. Observed Fossils:     4

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  LITHOPERA BACCA (FEW/)
  STICHOCORYS PEREGRINA (COMMON/)



Leg :  6    Top/Bot Interval(mm):  170/ 190  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    45.70
Core:   5   Depth Top Sample(m) :    50.38
Sect:  4    No. Observed Fossils:     4

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (RARE/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  LITHOPERA BACCA (FEW/)
  STICHOCORYS PEREGRINA (COMMON/)



Leg :  6    Top/Bot Interval(mm):  150/ 170  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    45.70
Core:   5   Depth Top Sample(m) :    53.36
Sect:  6    No. Observed Fossils:     4

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (RARE/)
  LAMPROCYCLAS HETEROPOROS (RARE/)
  LITHOPERA BACCA (FEW/)
  STICHOCORYS PEREGRINA (COMMON/)



Leg :  6    Top/Bot Interval(mm):  260/ 280  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    54.90
Core:   6   Depth Top Sample(m) :    56.67
Sect:  2    No. Observed Fossils:     5

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  LAMPROCYCLAS HETEROPOROS (PRESENT/)
  STICHOCORYS PEREGRINA (ABUNDANT/)
  STYLATRACTUS UNIVERSUS (RARE/)



Leg :  6    Top/Bot Interval(mm):  240/ 260  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    54.90
Core:   6   Depth Top Sample(m) :    58.15
Sect:  3    No. Observed Fossils:     4

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  EUCYRTIDIUM CALVERTENSE (FEW/)
  LITHOPERA BACCA (RARE/)
  STICHOCORYS PEREGRINA (COMMON/)



Leg :  6    Top/Bot Interval(mm): 1500/1500  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    54.90
Core:   6   Depth Top Sample(m) :    59.40
Sect:  3    No. Observed Fossils:     4

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (RARE/)
  EUCYRTIDIUM CALVERTENSE (RARE/)
  LITHOPERA BACCA (RARE/)
  STICHOCORYS PEREGRINA (COMMON/)



Leg :  6    Top/Bot Interval(mm):   50/  70  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    64.00
Core:   7   Depth Top Sample(m) :    64.06
Sect:  1    No. Observed Fossils:     3

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  DRUPPATRACTUS ACQUILONUS (FEW/)
  LITHOPERA BACCA (RARE/)
  STICHOCORYS PEREGRINA (FEW/)



Leg :  6    Top/Bot Interval(mm):  270/ 290  Sample Age : UNKNOWN
Hole:  47B  Depth Top of Core(m):    64.00
Core:   7   Depth Top Sample(m) :    65.78
Sect:  2    No. Observed Fossils:     2

Date:       Investigator(s): KLING,S.A.
Join:       IR Volume/Page :  6/1072

Fossils (Abundance/Preservation):
================================
  LITHOPERA BACCA (FEW/)
  STICHOCORYS DELMONTENSIS (COMMON/)

intro   areas   data types   legs   holes   documentation   codes


These Web pages are from the Core Data from the Deep Sea Drilling Project Legs 1-96 CD-ROM produced in 2000 by the U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Geophysical Data Center, and collocated World Data Center for Marine Geology and Geophysics, Boulder. Data were compiled in cooperation with the U.S. Science Support Program, the Joint Oceanographic Institutions, Inc., and the U.S. National Science Foundation. Please see the NGDC privacy, disclaimer, and copyright notices.