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Summary Information for Field Activity 1978-027-FA

Area of Operations: Jeffreys Ledge, Gulf of Maine, Cape Ann, Massachusetts, New Hampshire, United States, North America, North Atlantic

Dates: September 11, 1978 to September 21, 1978

Chief scientist: Diane Eskenasy

Objectives: Run seismic lines on and around Jeffreys Ledge to determine the origin and structure of some sediments surrounding Jeffreys Ledge and the structure and origin of the underlying sediments; observe the structure of the Presumpscot Formation flanking the western end of Jeffreys Ledge and determine if the deformation is related to a Late Wisconsin readvance of the continental ice sheet; and locate the offshore extension of the Clinton-Newbury and the Bloody Bluff faults.

Type of Activity:

Information to be derived:

Summary: Minisparker data: 250 km.

Contact: Diane Eskenasy ()

InfoBank: uses the identifier A-9-78-MA. Visit this site for more information.

Related Links:

Platform Info:
photo of ASTERIAS
ASTERIAS

Publications resulting from these data

Oldale, Robert N.,1985, Upper Wisconsinan submarine end moraines off Cape Ann, Massachusetts: Quaternary Research, v. 24, no. 2: p. 187-196. (Also available at http://dx.doi.org/10.1016/0033-5894(85)90005-5)

Eskenasy, Diane M., and Bailey, Norman G.,1980, Minisparker profiles from Jeffreys Ledge and adjacent areas in the western Gulf of Maine: U.S. Geological Survey Open-File Report 80-320, 2 p.. (Available as a PDF version)

Oldale, Robert N.,1985, A drowned Holocene barrier spit off Cape Ann, Massachusetts: Geology, v. 13, no. 5: p. 375-377. (Also available at http://dx.doi.org/10.1130/0091-7613(1985)13<375:ADHBSO>2.0.CO;2)


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