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U. S. Geological Survey Open-File Report 02-002

Geological Framework Data from Long Island Sound, 1981-1990:

A Digital Data Release

1988 MMS Summary Report

Table 3a.

 

Weight percents of light and heavy minerals in vibracores from
Long Island, Block Island, and Rhode Island Sounds.

CORE SAMPLE DEPTH (cm) WT. %
LIGHT FRACTION
WT. %
HEAVY
FRACTION
WT. %
HEAVY FRACTION W/O MAGNETITE
88-1 165 93.6 6.4 6.2
  330 93.7 6.3  
88-3 100 97.3 2.7  
  250 91.0 9.0 8.5
  380 93.9 6.1  
88-4 280 96.8 3.2  
  540 93.8 6.2 6.0
88-8 333 91.4 8.9 8.3
  587 91.2 8.8  
88-9 100 95.4 4.6  
  220 95.8 4.2  
88-10 30 97.1 2.9  
88-11 30 98.5 1.5  
  200 99.5 0.5  
  300 99.6 0.4  
88-13 20 99.1 0.9  
  120 99.2 0.8  
  220 99.7 0.3  
88-14 22 98.6 1.4  
  180 98.4 1.6  
  290 99.2 0.8  

Department of the Interior > U. S. Geological Survey > Coastal and Marine Geology Program > Long Island Sound Studies
Contact: L.J. Poppe (lpoppe@usgs.gov")