4,231
edits
Changes
Jump to navigation
Jump to search
Line 39:
Line 39: − + − + +
→Zone distinctions
|-
|-
| Continental (or nonmarine)
| Continental (or nonmarine)
| Presence of nonmarine ostracodes and diatoms; spores, pollen, and terrigenous plant debris. Absence of marine fossils.
| Presence of nonmarine ostracods and diatoms; spores, pollen, and terrigenous plant debris. Absence of marine fossils.
|-
|-
| Transitional (or marginal marine)
| Transitional (or marginal marine)
| Low-diversity population of hyposaline-tolerant foraminifera, algae, dinoflagellates, and ostracodes.
| Low-diversity population of hyposaline-tolerant foraminifera, algae, dinoflagellates, and ostracode
s.
|-
|-
| Marine
| Marine