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EARLY DOLOMITIZATION [3 records]
Record 1 - internal organization data 2011-12-12
Record 1, English
Record 1, Subject field(s)
- Erosion and Weathering (Geol.)
- Geochemistry
Record 1, Main entry term, English
- early dolomitization
1, record 1, English, early%20dolomitization
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- early dolomitisation 2, record 1, English, early%20dolomitisation
correct, Great Britain
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
… the breccia is more likely an intraplatformal cavern collapse feature associated with early dolomitization because : 1) the clasts are surrounded with saddle dolomite and sulfide minerals, not basinal sediments as expected if the clasts were exposed on the seafloor following margin collapse; 2) the megabreccia includes varied dolostone clasts(some fabric-preserving, some not) but lacks clasts of abutting basinal rocks and so cannot be interpreted as a post-Middle Cambrian subsurface diagenetic feature; 3) despite the size of the contained clasts, the megabreccia shows a restricted lateral distribution, not the apron-like geometry of a debris flow deposit; and 4) the megabreccia is directly overlain by non-dolomitized basinal limestone. 3, record 1, English, - early%20dolomitization
Record 1, French
Record 1, Domaine(s)
- Érosion et corrosion (Géologie)
- Géochimie
Record 1, Main entry term, French
- dolomitisation précoce
1, record 1, French, dolomitisation%20pr%C3%A9coce
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Deux types de dolomitisation existent, la dolomitisation précoce et la dolomitisation tardive. La dolomitisation précoce se fait lors de la diagenèse du sédiment et s’effectue le plus souvent dans des mers chaudes à salinité élevée. La calcite se fait remplacer par la dolomite et celle-ci s’observe en lame mince par de fins rhomboèdres typiques. On la remarque également, car la dolomite laisse apparaître des fantômes de structures originelles, comme des grains oolithiques ou même des fragments de coquilles. 2, record 1, French, - dolomitisation%20pr%C3%A9coce
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2011-08-10
Record 2, English
Record 2, Subject field(s)
- Erosion and Weathering (Geol.)
- Geochemistry
Record 2, Main entry term, English
- late dolomitization
1, record 2, English, late%20dolomitization
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- late dolomitisation 2, record 2, English, late%20dolomitisation
correct, Great Britain
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
Late Dolomitization Associated with the Late Movement of Subsurface Waters. The genesis of dolomites that replace limestone in the deeper subsurface is currently explained by two models of fluid-flow that invoke the movement of waters with higher magnesium to calcium ratios in the subsurface. One is related to regional subsurface flow models, or burial-flow models which assume high temperatures for the subsurface fluids... and the other less fashionable model assumes the evaporation of seawater in restricted lagoons and salt flats that produce dense near surface brines that move down into porous and permeable limestones and produce coarsely crystalline "early" seepage reflux dolomites … 1, record 2, English, - late%20dolomitization
Record 2, French
Record 2, Domaine(s)
- Érosion et corrosion (Géologie)
- Géochimie
Record 2, Main entry term, French
- dolomitisation tardive
1, record 2, French, dolomitisation%20tardive
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Dolomitisation qui a lieu longtemps après la diagenèse et sans lien de cause à effet avec elle. 2, record 2, French, - dolomitisation%20tardive
Record number: 2, Textual support number: 1 CONT
Deux types de dolomitisation existent, la dolomitisation précoce et la dolomitisation tardive. […] La dolomitisation tardive s’effectue après la digenèse du sédiment et découle de la circulation de fluides riches en magnésium. Cette dolomitisation tardive a lieu généralement le long de fractures et se remarque par une délimitation nette. 3, record 2, French, - dolomitisation%20tardive
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2005-04-14
Record 3, English
Record 3, Subject field(s)
- Chronology
- Erosion and Weathering (Geol.)
Record 3, Main entry term, English
- predeformational
1, record 3, English, predeformational
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- predeformation 1, record 3, English, predeformation
correct, adjective
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
Features supporting relatively early mineralization include... apparent coincidence of some mineralization with predeformational brecciation and dolomitization. 1, record 3, English, - predeformational
Record number: 3, Textual support number: 2 CONT
Predeformation mineralization. 1, record 3, English, - predeformational
Record 3, French
Record 3, Domaine(s)
- Chronologie
- Érosion et corrosion (Géologie)
Record 3, Main entry term, French
- antérieur à la déformation
1, record 3, French, ant%C3%A9rieur%20%C3%A0%20la%20d%C3%A9formation
correct
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
Certains éléments militent en faveur d'une minéralisation relativement précoce [comme] l'apparente coïncidence d'une certaine partie de la minéralisation avec une bréchification et une dolomitisation antérieures à la déformation. 1, record 3, French, - ant%C3%A9rieur%20%C3%A0%20la%20d%C3%A9formation
Record number: 3, Textual support number: 2 CONT
Minéralisation antérieure à la déformation. 1, record 3, French, - ant%C3%A9rieur%20%C3%A0%20la%20d%C3%A9formation
Record 3, Spanish
Record 3, Textual support, Spanish
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