Models for Holocene valley-fill sequences from high-resolution seismic facies of Galveston Bay
Reconstructions of the northern Gulf of Mexico shelf for the Holocene have relied on the dating of isolated bathymetric banks. These banks, which are interpreted as former shorelines, provide snapshots of the shelf during periods of relative sea level stillstand. A more complete sedimentary record of the Holocene transgression is likely preserved in the incised valley-fill sequences. The first step in deciphering the record of Holocene valley-fill sequences is development of high-resolution seismic facies models based on modern environments. The modern incised valley-estuarine system of Galveston Bay has been seismically surveyed. Important environments include bayhead delta (Trinity River delta), tidal inlet, flood tidal delta (Bolivar Roads), and estuarine sediments (central bay). Additionally, fluvial sediments partially infill the entrenched Trinity River valley. Seismic facies interpretation was corroborated by information obtained from sediment cores.
- OSTI ID:
- 6144025
- Report Number(s):
- CONF-880301-
- Resource Relation:
- Conference: Annual meeting of the American Association of Petroleum Geologists, Houston, TX, USA, 20 Mar 1988
- Country of Publication:
- United States
- Language:
- English
Similar Records
Sea level control on facies architecture of incised valley-fill sequences: case study of Sabine and Trinity valleys, Texas Continental Shelf
Episodic nature of Holocene sea-level rise and the evolution of east Texas bays
Related Subjects
03 NATURAL GAS
CONTINENTAL SHELF
GEOLOGIC MODELS
GULF OF MEXICO
PETROLEUM GEOLOGY
NATURAL GAS DEPOSITS
SEISMIC SURVEYS
PETROLEUM DEPOSITS
AGE ESTIMATION
ALLUVIAL DEPOSITS
COASTAL WATERS
EXPLORATION
GEOLOGIC HISTORY
MARINE SURVEYS
QUATERNARY PERIOD
RIVER DELTAS
SEDIMENTS
TEXAS
ATLANTIC OCEAN
CARIBBEAN SEA
CENOZOIC ERA
COASTAL REGIONS
CONTINENTAL MARGIN
FEDERAL REGION VI
GEOLOGIC AGES
GEOLOGIC DEPOSITS
GEOLOGY
GEOPHYSICAL SURVEYS
MINERAL RESOURCES
NORTH AMERICA
RESOURCES
SEAS
SURFACE WATERS
SURVEYS
USA
020200* - Petroleum- Reserves
Geology
& Exploration
030200 - Natural Gas- Reserves
Geology
& Exploration