Upper Chesapeake Bay, core 4
Upper Chesapeake Bay (turbidity maximum) (Maryland), United States
Sediments
- Type
- Sediment
Core collected in November 1978 near the turbidity maximum, sediments mostly supplied by the Susquehanna. Radiogenic Os (1.07 to 1.22) from Paleozoic shales of the basin. Helz et al. (2000).
187Os/188Os isotope ratio, no unit Values of the same system
Standard : Rapport absolu, sans standard de référence
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 1.1425 ± 0.1082 | 1.066 / 1.219 | 2 | core sediment Mean and standard deviation recalculated from 2 analyses, 1.0660 to 1.2190 (core 4, 8-10 cm 1.2190; core 4, 114-119 cm 1.0660). core 4, 8-10 cm Os 0.052 ng/g; core 4, 114-119 cm Os 0.055 ng/g. | Helz et al. (2000), Osmium isotopes demonstrate distal transport of contaminated sediment… |
Deposits of the same type
- Conowingo Reservoir (Susquehanna), sediment United States
- Middle Chesapeake Bay, core PC-6 United States
- Lower Chesapeake Bay, surface sediment (LB) United States
- James River near the Newport News shipyard, sediment United States
- Fordoche oil field: sandstone and mudstone cores United States
- Cariaco Basin, core-top sediment PL07-111Bx Venezuela
- Cariaco Basin, core-top sediment PL07-105Bx Venezuela
- Cariaco Basin, core-top sediment PL07-22Bx Venezuela
Cite this page
IsoFind Atlas (2026). Upper Chesapeake Bay, core 4, isotope signatures. https://www.isofind.tech/isotopes/en/sites/baie-de-chesapeake-superieure-carotte-4/ (accessed 2026-10-21).
@misc{isofind2026upperchesapeakebaycore4isotop,
title = {Upper Chesapeake Bay, core 4, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/sites/baie-de-chesapeake-superieure-carotte-4/},
note = {Accessed 2026-10-21}
}Updated : 2026-10-21