Accession Number : AD0681785

Title :   PHYSICAL PROPERTIES OF SEDIMENTS IN THE PACIFIC OCEAN (Fizicheskie Svoistva Osadkov Tikhogo Okeana),

Corporate Author : NAVAL OCEANOGRAPHIC OFFICE WASHINGTON D C

Personal Author(s) : Bruevich,S. V. ; Kulik,E. Z.

Report Date : 1968

Pagination or Media Count : 23

Abstract : The mean humidity of the upper 10-15cm layer of the Pacific mud is close to 65% like that of this type of sediments in other seas and oceans. The vertical water distribution in typical red clay and in diatom ooze is characterized by very high homogenity, sometimes within the range of 7-8m. The specific gravity of sediments of natural humidity (at 65-70% of humidity) in red clay is close to 1.30-1.34, and that in carbonate sediments approximately 1.40. The specific gravity of absolute dry matter in red clay is close to 2.50, and that in carbonate sediments averages 2.55-2.58. The specific gravity decreases considerably due to the presence of diatom material. Volumetric weight of sediments is connected with the water content of the sediment by an inverse linear dependence. The porosity of sediments of natural humidity is on an average close to 75-80%. The specific inner surface of the sediments in red clay reaches 100 sq m/g, in clayish-radiolarian ooze about 80-100 sq m/g, in globigerine ooze about 30 sq m/g, in large aleurites and in sands approximately equals 10 sq m/g. (Author)

Descriptors :   (*OCEAN BOTTOM, *PACIFIC OCEAN), SEDIMENTATION, MUD, DISTRIBUTION, CLAY, SAND, POROSITY, CARBONATES, PHYSICAL PROPERTIES, GRAVITY, HUMIDITY, SEDIMENTARY ROCK, TABLES(DATA), USSR

Subject Categories : Physical and Dynamic Oceanography
      Geology, Geochemistry and Mineralogy

Distribution Statement : APPROVED FOR PUBLIC RELEASE