BONNEVILLE BASIN ENIGMA, TECTONIC DROP OF LAKEBED CAN RESULT IN RAISED SHORELINE EVIDENCE

2020 ◽  
Author(s):  
Genevieve Atwood ◽  
Keyword(s):  
Bonneville Basin

Comparative Evolution in Mimulus guttatus of the Bonneville Basin

Evolution ◽  
1967 ◽  
Vol 21 (3) ◽  
pp. 439 ◽  
Author(s):  
Delbert W. Lindsay ◽  
Robert K. Vickery
Keyword(s):  
Mimulus Guttatus ◽  
Bonneville Basin ◽  
Comparative Evolution

Late Pleistocene and early Holocene rivers and wetlands in the Bonneville basin of western North America

2003 ◽  
Vol 60 (2) ◽  
pp. 200-210 ◽  
Author(s):  
Charles G. Oviatt ◽  
David B. Madsen ◽  
Dave N. Schmitt
Keyword(s):  
Great Basin ◽  
Late Pleistocene ◽  
Theoretical Models ◽  
Coarse Sand ◽  
Early Holocene ◽  
River Channels ◽  
Human Occupation ◽  
Lake Bonneville ◽  
River Bed ◽  
Bonneville Basin

AbstractField investigations at Dugway Proving Ground in western Utah have produced new data on the chronology and human occupation of late Pleistocene and early Holocene lakes, rivers, and wetlands in the Lake Bonneville basin. We have classified paleo-river channels of these ages as “gravel channels” and “sand channels.” Gravel channels are straight to curved, digitate, and have abrupt bulbous ends. They are composed of fine gravel and coarse sand, and are topographically inverted (i.e., they stand higher than the surrounding mudflats). Sand channels are younger and sand filled, with well-developed meander-scroll morphology that is truncated by deflated mudflat surfaces. Gravel channels were formed by a river that originated as overflow from the Sevier basin along the Old River Bed during the late regressive phases of Lake Bonneville (after 12,500 and prior to 11,000 14C yr B.P.). Dated samples from sand channels and associated fluvial overbank and wetland deposits range in age from 11,000 to 8800 14C yr B.P., and are probably related to continued Sevier-basin overflow and to groundwater discharge. Paleoarchaic foragers occupied numerous sites on gravel-channel landforms and adjacent to sand channels in the extensive early Holocene wetland habitats. Reworking of tools and limited toolstone diversity is consistent with theoretical models suggesting Paleoarchaic foragers in the Old River Bed delta were less mobile than elsewhere in the Great Basin.

Late Pleistocene to early Holocene lake level and paleoclimate insights from Stansbury Island, Bonneville basin, Utah

2010 ◽  
Vol 73 (2) ◽  
pp. 237-246 ◽  
Author(s):  
Shela J. Patrickson ◽  
Dorothy Sack ◽  
Andrea R. Brunelle ◽  
Katrina A. Moser
Keyword(s):  
North Atlantic ◽  
Lake Level ◽  
Salt Lake ◽  
The North ◽  
Natural Exposure ◽  
Bonneville Basin ◽  
Double Nature ◽  
Climate Events ◽  
Multiproxy Approach ◽  
Diatom Community Composition

This paper reports on recent multiproxy research conducted to determine the chronology of lake-level fluctuations recorded in sediments from a natural exposure at a classic Bonneville basin site. Grain size, carbonate percentage, magnetic susceptibility, amount of charcoal, and diatom community composition data were collected from the 16 lacustrine units that compose the 122 cm stratigraphic column in Stansbury Gulch. Trends observed in the measured proxies reveal several significant changes in lake level, and thereby effective moisture, over the approximately 14,500 yr time span represented by the sediments. Results (1) verify the effectiveness of the multiproxy approach in Bonneville basin studies, which has been underutilized in this region, (2) reaffirm the double nature of Lake Bonneville's Stansbury oscillation, (3) suggest a previously undocumented post-Gilbert highstand of Great Salt Lake, and (4) identify possible teleconnections between climate events in the Bonneville basin and events in the North Atlantic at about 20,500 and 7500 14C yr BP.

Ecosystem and paleohydrological response to Quaternary climate change in the Bonneville Basin, Utah

2005 ◽  
Vol 221 (1-2) ◽  
pp. 99-122 ◽  
Author(s):  
Deborah P. Balch ◽  
Andrew S. Cohen ◽  
Douglas W. Schnurrenberger ◽  
Brian J. Haskell ◽  
Blas L. Valero Garces ◽  
...  
Keyword(s):  
Climate Change ◽  
Quaternary Climate ◽  
Bonneville Basin
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