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Summary for Field Activity Number 1985-013-FA

Area of Operations: Johnston Island, Johnston Atoll, United States, Middle Pacific

Dates: May 14, 1985 to June 05, 1985

Objectives: Conduct a detailed study of a seamount briefly surveyed during the SONNE cruise of August 1984.

Type of Activity: Sampling

Information to be derived: Seabeam records
Bottom photographs and video tapes
Current meter records
Sediment, ferromanganese crust, and rock substrate samples
Water column measurements - temperature, oxygen, salinity, pressure
Shipboard chemical analysis (XRF) of selected samples


USGS Project Number:

Contact: Bob Commeau (

InfoBank: uses the identifier S-1-85-HW. Visit this site for more information.

Map for Area of Operations :

Map of field activity boundary.

Platform Info:
photo of SONNE

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

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