(geology) A chronostratigraphic unit, above erathem, composed of rocks formed during an eon of geologic time.
eonothem
| Sci-Tech Dictionary: eonothem |
(′ēn·ə′them)
| 5min Related Video: eonothem |
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 | erathem (geology) |
| Stratigraphy |
| Geologic Time |
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 | Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved. Read more |
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Mentioned in
- erathem (geology)
- Stratigraphy
- Geologic Time
- Eonothem
- Series (stratigraphy)
- Erathem
- System (stratigraphy)
- Eoarchean
- Stage (stratigraphy)
- Geologic record
- Global Standard Stratigraphic Age
- Chronostratigraphy
- Chronozone
- Global Boundary Stratotype Section and Point
