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Chronosome
| Словарь стратиграфических терминов |
The body o f rock enclosed between two markers that may approximate isochronous surfaces and so define the upper and lower limits o f a single period o f deposition within a basin. it is a special type o f chronozone recognized primarily in subsurface practice (schultz, 1982, p. 29).
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Approximate, английский
- Приблизительный ар-ps ammonium perchlorate-poly- styrene (propellant) полистирол- перхлоратаммониевое ракетное топливо
- Приблизительный
- Приблизительно
Isochronous, английский
- Одновременный
- Изохронный; синхронный
Deposition, английский
- Отложение; осаждение; осаждённый [напылённый] слой ~ of soil отсыпка грунта
- The laying down of any material by any agent such as wind, water, ice or by other natural processes. hp
Chronozone, английский
A body of rocks formed anywhere during the time span of some designated stratigraphic unit or geologic feature. it is a formal chronostratigraphic unit of unspecified rank, not part of the hierarchy of chronostratigraphic units (see section 9.c.8). cline, a. a gradational series o f morphologic or physiologic differences exhibited by a group o f related organisms, usually along a line o f environmental or geographic transition. b. the smallest unit in the hierarchy o f diachronic units (north american stratigraphic code, 1983, p. 870).
Subsurface, французский
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Total-range zone, английский
The body o f strata that comprises the complete horizontal and vertical range o f occurrence o f a specified fossil group (report o f the stratigraphical code sub-committee, geological society o f london, 1967, p. 85).
Datum level or datum plane, английский
The base or top of a range of fossils that can be correlated in sections over a wide area (see section 7.c.4).
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