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Summary for Field Activity Number 1989-015-FA

Alternate Leg ID: LAUR89-1

Area of Operations: Lake Michigan, Michigan, Illinois, Great Lakes, United States, North America

Dates: June 13, 1989 to June 18, 1989

Objectives: Collection of seismic reflection data and cores in Lake Michigan to define the stratigraphy and sediment character of the deposits below the lake floor. The last year's seismic reflection data was used to choose core locations for this cruise and to define areas where new seismic reflection data were needed. New gravity and box cores were obtained at most of the sites that were piston cored or vibracored last year, and a number of new core sites were established. These cores will be used to develop a closely dated record of sedimentation and paleoenvironmental conditions in the lake. The cores and the seismic reflection data together will be used to determine the history of lake-level fluctuations over the last several thousand years.

Type of Activity: Seismic profiling
coring

Information to be derived: Grain size analysis
Morphology

Summary: Box cores: 18; Gravity cores: 14; Seismic tracklines: 18.

USGS Project Number: GREAT LAKES

Contact: Steve Colman (scolman@usgs.gov)

InfoBank: uses the identifier L-1-89-LM. Visit this site for more information.

Click to get Google Software - Download 89015.kml to view this field activity in Google Earth

Map for Area of Operations :

Map of field activity boundary.

Platform Info:

The following materials for this field activity are available in the Information Archives:

Paper seismic/sidescan bottom profiles:

Inventory #LinesFolderStart TimeEnd TimeProfile TypeRemarks
0445820-22 00111:55 06/13/198922:25 06/13/1989 3.5K-
0445922-25 00222:32 06/13/198922:44 06/14/1989 3.5K- CORES 1-5
0446025-29 00322:49 06/14/198923:15 06/16/1989 3.5K- CORES 9,11-13,20,22,23
0446130-36 00401:05 06/17/198922:10 06/17/1989 3.5K- CORES 6-7
0446236-38 00522:14 06/17/198922:13 06/19/1989 3.5K- 89016 CORES 27-28
0446720-23 00112:15 06/13/198906:16 06/14/1989 GEOP-
0446824-28 00206:23 06/14/198915:10 06/16/1989 GEOP-
0446929-35 00316:25 06/16/198920:25 06/17/1989 GEOP-
0447035-38 00420:31 06/17/198922:05 06/19/1989 GEOP- 89016
0446236-38 00522:14 06/17/198922:13 06/19/1989 3.5K- 89015 CORES 27-28
0447035-38 00420:31 06/17/198922:05 06/19/1989 GEOP- 89015

class="label">Seismic data on VHS cassette tape:

Inventory #Box #FormatStart TimeEnd TimeLinesRemarks
0184VHS13:30 06/13/198914:58 06/13/1989
0185VHS14:58 06/13/198916:54 06/13/1989
0186VHS16:54 06/13/198918:53 06/13/1989
0187VHS18:53 06/13/198920:55 06/13/1989
0188VHS20:55 06/13/198922:55 06/13/1989
0189VHS22:55 06/13/198900:55 06/14/1989
0190VHS00:55 06/14/198902:57 06/14/1989
0191VHS02:57 06/14/198905:25 06/14/1989
0192VHS05:25 06/14/198907:20 06/14/1989
0193VHS07:20 06/14/198909:20 06/14/1989
0194VHS09:57 06/14/198921:25 06/14/1989
0195VHS21:30 06/14/198923:27 06/14/1989
0196VHS23:27 06/14/198901:28 06/15/1989
0197VHS01:28 06/15/198903:21 06/15/1989
0198VHS03:21 06/15/198905:00 06/15/1989
0199VHS05:01 06/15/198913:30 06/16/1989
0200VHS13:30 06/16/198916:43 06/16/1989
0201VHS16:43 06/16/198918:43 06/16/1989
0202VHS18:43 06/16/198902:17 06/17/1989
0203VHS02:21 06/17/198904:40 06/17/1989
0204VHS02:21 06/17/198904:40 06/17/1989
0205VHS06:45 06/17/198908:45 06/17/1989
0206VHS08:45 06/17/198915:49 06/17/1989
0207VHS15:50 06/17/198917:52 06/17/1989
0208VHS17:52 06/17/198920:00 06/17/1989
0209VHS20:05 06/17/198922:04 06/17/1989
0210VHS22:04 06/17/198900:03 06/18/1989
0211VHS00:03 06/18/198902:05 06/18/1989
0212VHS02:45 06/18/198904:43 06/18/1989
0213VHS04:43 06/18/198911:30 06/18/1989
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