 |
| Titel |
Paleoenvironments and sea level changes of Holocene from Nakdong River Delta sediments, Korea |
| VerfasserIn |
Daekyo Cheong |
| Konferenz |
EGU General Assembly 2015
|
| Medientyp |
Artikel
|
| Sprache |
Englisch
|
| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 17 (2015) |
| Datensatznummer |
250103339
|
| Publikation (Nr.) |
 EGU/EGU2015-2748.pdf |
|
|
|
|
|
| Zusammenfassung |
| The Holocene delta sediments(ND-01) which was acquired from the Nakdong River Delta as a rotary-style sediment core in southern Korea is divided into four sedimentary units based on sedimentary structure, texture, and occurrence of microfossils. Unit A(18.8∼33.54 m) is mostly homogeneous mud and shell fragments are well observed. Marine microfossils such as ostracods, diatoms, and sponge spicules decrease towards the top of the core sediments. Unit B(16.6∼18.8 m) is generally laminated mud and laminated sand. Marine microfossils disappear at the top of Unit B, but wood fragments contents increase towards the top. At Unit C(14.2∼16.6 m), mud content is lower than Unit B and laminated sand is well developed. Unit D(8∼14.2 m) is mostly homogeneous sand and shows better sorting than lower unit.. The sedimentary environments of the sequence are supposed to be a progradational delta system. |
|
|
|
|
|
|