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Петр. порода с ритмичной слоистостью
| Глоссарий по геологии, тектонике, геофизике и минералогии |
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Rhythmite, английский
An individual unit of a succession of beds developed by rhythmic sedimentation; e.g. a cyclothem. the term implies no limit as to bedding thickness or complexity and denotes no time or seasonal connotation. compare - varves, cyclothem. gg rib - a small, high angle, tertiary spur ridge or mini-interfluve that is a constituent part of rib & groove topography; (slopes generally 20 - 90 %, ); common on the mid and lower hillslopes of well dissected uplands. compare - finger ridge, groove, rib and groove topography. sw
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Porcelainite, английский
Петр. замещение, русский
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