Chemical composition of samples from DSDP Holes 16-163 and 17-164

Gorbunova, Zinaida N

Chemical composition of samples from DSDP Holes 16-163 and 17-164

1988

Gorbunova, Zinaida N

Considerable postsedimentational alteration of fine dispersed minerals in Cretaceous sedimentary sequences was found in three deep-sea drillholes (163, 164, 169). Original Fe-montmorillonites formed from basalts were converted during lithification to mixed-layer montmorillonite-hydromicas and then to pure hydromicas (celadonites). An assumption that the minerals were originally of authigenic-diagenetic composition is based on a broad spectrum of other diagenetic minerals present: silica group from opal A to opal CT and quartz, clinoptilolite and palygorskite. In addition, quartz-hydromica ratio is strikingly atypical of aeolian transport.

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Mots clés AGROVOC

calcium oxide depth titanium dioxide

Informations bibliographiques

Editeur

PANGAEA

D'autres materias

Latitude of event; Drilling/drill rig; Silicon dioxide; Sodium oxide; Arcod; Drill; Archive of ocean data; Aluminium/(aluminium+iron+manganese) ratio; Elevation of event; Longitude of event; Sample type; Iron oxide; Manganese oxide; Glomar challenger; Dsdp; Fe2o3; Iron/aluminium ratio; Event label; Deep sea drilling project; Leg17; Magnesium/aluminium ratio; North pacific ocean; Aluminium oxide; Titanium/aluminium ratio; Leg16; Sample code/label; Potassium oxide; Magnesium oxide; Sediment/rock; North pacific/cont rise; Dsdp/odp/iodp sample designation; 16-163; 17-164; X-ray fluorescence (xrf); Calculated

Langue

anglais

Format

text/tab-separated-values, 150 data points

Licence

CC-BY-3.0: Creative Commons Attribution 3.0 Unported, Access constraints: unrestricted, info:eu-repo/semantics/openAccess

Type

Dataset

Source

Supplement to: Gorbunova, Zinaida N (1988): Postsedimentational alteration of finely dispersed minerals in drillholes of the Central Pacific Ocean. Oceanology, 28(2), 199-202

Sur AGRIS depuis: 2024-11-28

Date de modification: 2025-10-25

Format: Dublin Core

Fournisseur de données

Cette notice bibliographique a été fournie par Alfred Wegener Institute for Polar and Marine Research

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