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UNCONF [1 record]
Record 1 - internal organization data 2005-03-15
Record 1, English
Record 1, Subject field(s)
- Geology
Record 1, Main entry term, English
- unconformity
1, record 1, English, unconformity
correct
Record 1, Abbreviations, English
- unconf 2, record 1, English, unconf
correct, see observation
Record 1, Synonyms, English
- unconformable contact 3, record 1, English, unconformable%20contact
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A substantial break or gap in the geologic record where a rock unit is overlain by another that is not next in stratigraphic succession, such as an interruption in the continuity of a depositional sequence of sedimentary rocks or a break between eroded igneous rocks and younger sedimentary strata. 4, record 1, English, - unconformity
Record number: 1, Textual support number: 1 CONT
Some mines exploit "reefs" (ore zones) with uppermost sections buried as much as 3 km beneath unconformities. 5, record 1, English, - unconformity
Record number: 1, Textual support number: 2 CONT
The Kemi and Campo Formoso intrusions are prekinematic and occur at the unconformable contact between Archean granitic basement and overlying, mainly sedimentary, Proterozoic supracrustal rocks. 3, record 1, English, - unconformity
Record number: 1, Textual support number: 1 OBS
unconf: ... abbreviation ... used in drilling records. 2, record 1, English, - unconformity
Record 1, French
Record 1, Domaine(s)
- Géologie
Record 1, Main entry term, French
- discordance
1, record 1, French, discordance
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- discordance stratigraphique 2, record 1, French, discordance%20stratigraphique
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Surface géologique représentant l'intervalle de temps d'exposition subaérienne et son équivalence subaquatique. Elle est caractérisée par une troncature d'érosion et/ou par un important hiatus. 2, record 1, French, - discordance
Record number: 1, Textual support number: 1 CONT
La lacune peut être due à une absence de sédimentation, la région ayant par exemple été émergée (régression); [...] Quelquefois, cette émersion est accompagnée d'une phase de plissement précédant la transgression suivante; dans ce cas, on parle de discordance. 3, record 1, French, - discordance
Record number: 1, Textual support number: 2 CONT
Les bauxites sont disposées [...] en couches plus ou moins irrégulières [...], soulignant les lacunes stratigraphiques et les discordances car la présence de bauxites est le signe infaillible d'une longue émersion [...] 4, record 1, French, - discordance
Record number: 1, Textual support number: 3 CONT
Les terrains du socle sont plus anciens que ceux de la couverture; ils ont subi une orogenèse antérieure à celle de la couverture. Le socle n'a donc pas la même structure que sa couverture on dit qu'il y a discordance. 5, record 1, French, - discordance
Record number: 1, Textual support number: 4 CONT
Les intrusions de Kemi et de Campo Formoso sont anticinématiques et sont situées au niveau d'une discordance séparant un socle granitique archéen d'une séquence sus-jacente de roches supracrustales à prédominance sédimentaire du Protérozoïque. 6, record 1, French, - discordance
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Geología
Record 1, Main entry term, Spanish
- discordancia
1, record 1, Spanish, discordancia
feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- discordancia estratigráfica 1, record 1, Spanish, discordancia%20estratigr%C3%A1fica
feminine noun
Record 1, Textual support, Spanish
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