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Annotated record of the detailed examination of Mn deposits from DSDP Leg 78 ...
The principal goal of Site 543 was definition of an oceanic reference section. One of the specific objectives was to provide a physical-property profile through the undisturbed... -
Annotated record of the detailed examination of Mn deposits from DSDP Leg 77 ...
The drilling of Leg 77 is part of an overall program by the JOIDES Passive Margin Panel to study the evolution of the western North Atlantic passive margin. The history of the... -
Annotated record of the detailed examination of Mn deposits from DSDP Leg 76 ...
The continental edge of eastern North America is the passive margin with the oldest geological history available in the modern oceans. Rifting and seafloor spreading between the... -
Annotated record of the detailed examination of Mn deposits from DSDP Leg 75 ...
Site 530 is located in the southeastern corner of the Angola Basin, about 20 km north of the Walvis Escarpment, near the eastern end of the easternmost (or Frio) segment of the... -
Annotated record of the detailed examination of Mn deposits from DSDP Leg 73 ...
Leg 73 was the middle of five legs on South Atlantic paleoenvironments planned by the JOIDES Ocean Paleoenvironment (OP) Panel during the years from 1975 to 1980. The idea of... -
Annotated record of the detailed examination of Mn deposits from DSDP Leg 74 ...
The drilling plan for Leg 74 of the Deep Sea Drilling Project was designed to address three main scientific topics: (1) the history of the deep-water circulation in the... -
Annotated record of the detailed examination of Mn deposits from the 1972 R/V...
This report presents megascopic descriptions of deep-sea sediment cores obtained by personnel of the Hawaii Institute of Geophysics on cruises of the R/V Kana Keoki in the... -
Annotated record of the detailed examination of Mn deposits from the 1971 R/V...
This report presents megascopic descriptions of deep sea sediment cores obtained by the Hawaii Institute of Geophysics on cruises of the R/V Kana Keoki in the eastern and... -
Annotated record of the detailed examination of Mn deposits from the 1968, R/...
This report represents the first in a projected series reporting core descriptions and their physical properties, to be made available through routine core handling procedures... -
Annotated record of the detailed examination of Mn deposits from the Madcap V...
The results are discussed of a geophysical survey undertaken by R.R.S. Discovery II early in 1962 in an area centred on 29° 15'N, 25° 5'W at the western extremity of the... -
Annotated record of the detailed examination of Mn deposits from the Hirondel...
Phosphorites with P2O5 contents up to 33% have been recovered from the eastern Atlantic between 6°N and 9°N. Formed from the replacement of shallow-water reef limestones of... -
Annotated record of the detailed examination of Mn deposits from DSDP Leg 72 ...
DSDP Leg 72 of the Glomar Challenger addressed paleoceanographic objectives in the southwestern Atlantic. It was planned to extend the observations and interpretations from the... -
Annotated record of the detailed examination of Mn deposits from DSDP Leg 71 ...
The high-latitude South Atlantic Ocean and the adjacent Antarctic Ocean have throughout Mesozoic and Cenozoic time undergone pronounced geographic alterations that have produced... -
Annotated record of the detailed examination of Mn deposits at the mouth of t...
During an IPOD site survey at the mouth of the Gulf of California, an axial valley about 50 km long and 600 meters deep was found on the East Pacific Rise (EPR) south of the... -
Compilation of detailed examination of Mn deposits from the North tip of the ...
he three-site Leg 64 Deep Sea Drilling transect at the tip of the Peninsula of Baja California straddled the transition from continental to oceanic crust. The outer site, 474,... -
Annotated record of the detailed examination of Mn deposits from DSDP Leg 70 ...
The recovery of hydrothermal sediments at depth beneath the mounds of hydrothermal origin during a brief period of drilling on Deep Sea Drilling Project (DSDP) Leg 54 provided... -
Annotated record of the detailed examination of Mn deposits from DSDP Leg 69 ...
The sites 504 and 505 of Deep Sea Drilling Project Leg 69 were selected for the purpose of investigating geothermal phenomena in basaltic basement and overlying sediments at two... -
Annotated record of the detailed examination of Mn deposits from DSDP Leg 68 ...
The general objectives of this cruise were to use the newly developed HPC to recover two undisturbed, continuous records of the late Neogene and Quaternary, one from the western... -
Observation of manganese deposits in the Nicoya ophiolite complex of Costa Rica
In Costa Rica the manganese deposits are an integral part of the Nicoya ophiolite complex. They contain both primary mineralization and, due to weathering, small residual... -
Annotated record of the detailed examination of Mn deposits from DSDP Leg 67 ...
The Oaxaca transect, located off southern Mexico and drilled during Leg 66, sampled a truncated margin and subduction complex. In contrast, the Guatemala transect was selected...