Secondary Minerals from the Drilling Cores of DVDP 3 (Ross Island) and 6 (Lake Vida)

The secondary minerals were collected from the drilling cores of DVDP 3 (Ross Island) and DVDP 6 (Lake Vida) and were investigated by the powder X-ray diffraction method. In No. 3 core the identified minerals are calcite, aragonite, thenardite, milabilite, gypsum, nesquehonite and thaumasite. In No....

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Bibliographic Details
Main Authors: Hideki MORIKAWA, Ichiro MINATO, Joyo OSSAKA, Kunihiko WATANUKI
Format: Article in Journal/Newspaper
Language:English
Japanese
Published: National Institute of Polar Research 1977
Subjects:
Online Access:https://doi.org/10.15094/00007917
https://doaj.org/article/347db098abea451ca58a54a5423d9d2f
Description
Summary:The secondary minerals were collected from the drilling cores of DVDP 3 (Ross Island) and DVDP 6 (Lake Vida) and were investigated by the powder X-ray diffraction method. In No. 3 core the identified minerals are calcite, aragonite, thenardite, milabilite, gypsum, nesquehonite and thaumasite. In No. 6 core the identified minerals are calcite, aragonite, gypsum, chlorite, laumontite, chabazite, sericite, montmorillonite, prehnite and flourite. The mineral assemblage and the unusual distribution of some minerals may suggest the environments of the sedimentation of the rock and soil. The evaporites and secondary minerals around Lake Vida were also identified and gypsum, calcite, thenardite, halite, sodium niter, prehnite laumontite and chlorite were found. No correlation was noticed between the secondary minerals from No. 6 drilling core and those around Lake Vida.