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Summary for Field Activity Number 1989-016-FA

Alternate Leg ID: LAUR89-2

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

Dates: June 19, 1989 to June 22, 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: 10; Gravity cores: 8; Seismic tracklines: 14.

USGS Project Number: GREAT LAKES

Contact: Steve Colman (scolman@usgs.gov)

InfoBank: uses the identifier L-2-89-LM. Visit this site for more information.

Click to get Google Software - Download 89016.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
0446338-39 00622:16 06/19/198919:24 06/20/1989 3.5K- CORES 29-30
0446439-41 00719:16 06/20/198911:30 06/21/1989 3.5K-
0446541-49 00811:37 06/21/198908:35 06/22/1989 3.5K- CORES 24-26
0446649-51 00908:38 06/22/198915:17 06/22/1989 3.5K- CORE 31
0447138-39 00522:10 06/19/198920:50 06/20/1989 GEOP-
0447239-42 00620:56 06/20/198915:32 06/21/1989 GEOP-
0447342-45 00715:35 06/21/198915:00 06/22/1989 GEOP-
0446236-38 00522:14 06/17/198922:13 06/19/1989 3.5K- 89015 CORES 27-28
0446236-38 00522:14 06/17/198922:13 06/19/1989 3.5K- 89015 CORES 27-28
0446236-38 00522:14 06/17/198922:13 06/19/1989 3.5K- 89015 CORES 27-28

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

Inventory #Box #FormatStart TimeEnd TimeLinesRemarks
0214VHS11:30 06/19/198913:30 06/19/1989
0215VHS13:30 06/19/198915:34 06/19/1989
0216VHS15:32 06/19/198921:06 06/19/1989
0217VHS21:06 06/19/198923:08 06/19/1989
0218VHS23:08 06/19/198901:10 06/20/1989
0219VHS01:10 06/20/198903:15 06/20/1989
0220VHS03:18 06/20/198905:13 06/20/1989
0221VHS05:14 06/20/198911:42 06/20/1989
0222VHS11:42 06/20/198913:46 06/20/1989
0223VHS13:46 06/20/198915:42 06/20/1989
0224VHS15:42 06/20/198919:05 06/20/1989
0225VHS19:15 06/20/198921:17 06/20/1989
0226VHS21:18 06/20/198923:22 06/20/1989
0227VHS: 06/21/198902:00 06/21/1989
0228VHS02:00 06/21/198904:04 06/21/1989
0229VHS04:05 06/21/198906:05 06/21/1989
0230VHS06:38 06/21/198908:38 06/21/1989
0231VHS08:40 06/21/198910:40 06/21/1989
0232VHS10:57 06/21/198913:00 06/21/1989
0233VHS13:03 06/21/198915:04 06/21/1989
0234VHS15:06 06/21/198923:08 06/21/1989
0235VHS23:08 06/21/198901:08 06/22/1989
0236VHS01:10 06/22/198903:13 06/22/1989
0237VHS03:13 06/22/198905:15 06/22/1989
0238VHS05:16 06/22/198907:12 06/22/1989
0239VHS07:12 06/22/198908:43 06/22/1989
0240VHS08:42 06/22/198910:42 06/22/1989
0241VHS11:05 06/22/198913:06 06/22/1989
0242VHS13:06 06/22/198913:57 06/22/1989
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