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DEPOT ALTERATION [1 record]
Record 1 - internal organization data 2007-11-14
Record 1, English
Record 1, Subject field(s)
- Erosion and Weathering (Geol.)
- Geochemistry
- Petrography
Record 1, Main entry term, English
- alteration deposit
1, record 1, English, alteration%20deposit
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Mineralogy and geology of the Maungaparerua halloysite deposit in New Zealand. ... The halloysite deposit was formed by hydrothermal alteration of rhyolite flow rocks. Superimposed on the hydrothermally altered halloysite is deep intensive surficial weathering resulting from the humid climate on the extreme tip of the North Island. The deposit has been drilled and the cores have been analyzed mineralogically and chemically. Drilling has shown that the ... altered rocks contain about 50% quartz and fine amorphous silica and 50% of a mix of halloysite, kaolinite, and allophane with a small amount of plagioclase feldspar in the coarse fraction. The upper 8-30 m, with an average of 15 m, of the halloysite alteration deposit consists of relatively soft clay. 2, record 1, English, - alteration%20deposit
Record number: 1, Textual support number: 2 CONT
Stratigraphy and petrology of hydrothermal alteration deposits related to Strombolian versus Surtseyan activity in Llancanelo Volcanic Field, Mendoza-Argentina. 3, record 1, English, - alteration%20deposit
Record number: 1, Textual support number: 3 CONT
Magnesite (magnesium carbonate - MgCO3) occurs as bedded sedimentary deposits, replacement deposits or alteration deposits with minor amounts of limestone, silica and iron. 4, record 1, English, - alteration%20deposit
Record number: 1, Textual support number: 1 PHR
Hydrothermal, tectonic alteration deposit. 5, record 1, English, - alteration%20deposit
Record 1, French
Record 1, Domaine(s)
- Érosion et corrosion (Géologie)
- Géochimie
- Pétrographie
Record 1, Main entry term, French
- dépôt d'altération
1, record 1, French, d%C3%A9p%C3%B4t%20d%27alt%C3%A9ration
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Accumulation de sédiments anguleux, de dimensions variées, qui se détachent de la roche à cause de phénomènes mécaniques (désagrégation) et chimiques (dissolution). 2, record 1, French, - d%C3%A9p%C3%B4t%20d%27alt%C3%A9ration
Record number: 1, Textual support number: 1 CONT
Les substrats sur lesquels seront érigées les éoliennes sont essentiellement des dépôts d'altération, provenant de la désagrégation ou de la décomposition du substrat rocheux en place, ainsi que de dépôts qui ont été en partie remaniés par les eaux de surface et la gravité (colluvions) [...] 3, record 1, French, - d%C3%A9p%C3%B4t%20d%27alt%C3%A9ration
Record number: 1, Textual support number: 2 CONT
Les sapinières occupent surtout des versants en pente forte recouverts de dépôts d'altération (altérites) ou d'accumulation de sédiments (colluvions). 4, record 1, French, - d%C3%A9p%C3%B4t%20d%27alt%C3%A9ration
Record number: 1, Textual support number: 1 OBS
Les sédiments sont généralement fins s'ils proviennent de roches sédimentaires et plus grossiers s'ils sont issus de roches cristallines. 2, record 1, French, - d%C3%A9p%C3%B4t%20d%27alt%C3%A9ration
Record 1, Spanish
Record 1, Textual support, Spanish
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