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Aquifer Parameter Estimation from Aquifer Tests and Specific-caoacity Data in Cedar Valley and the Cedar Pass Area, Utah County, Utah
This 53-page report details aquifer parameter estimation in and near Cedar Valley, west of Utah Lake and the Lake Mountains, in Utah County, Utah. The UGS conducted five aquifer tests on the two most important aquifers in the study area-the principal basin-fill aquifer and the fractured-bedrock aquifer. The aquifer tests on bedrock wells are of particular interest because of the importance of the bedrock groundwater resource in the Cedar Pass area, where surface water and groundwater are scarce. The tests reveal valuable information about the interface between the basin-fill and bedrock aquifers, a key path for groundwater discharge from the Cedar Valley groundwater basin. Aquifer test analysis was combined with re-analysis of existing aquifer-test data and specific-capacity data from well logs to determine a range of hydraulic conductivity, transmissivity, and storativity for the aquifers. Anisotropy was identified in both the basin-fill and bedrock aquifers, and the bedrock aquifer was found to be bounded by semi-permeable aquifer boundaries; a wedge of Tertiary volcanic rock and buried faults are the likely barriers to groundwater flow near Cedar Pass.
Minerals Yearbook
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Survey Notes
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Under Prairie Skies
In Under Prairie Skies, C. Thomas Shay asks and answers the question, What role did plants play in the lives of early inhabitants of the northern Great Plains? Since humans arrived at the end of the Ice Age, plants played important roles as Native peoples learned which were valuable foods, which held medicinal value, and which were best for crafts. Incorporating Native voices, ethnobotanical studies, personal stories, and research techniques, Under Prairie Skies shows how, since the end of the Ice Age, plants have held a central place in the lives of Native peoples. Eventually some groups cultivated seed-bearing annuals and, later, fields of maize and other crops. Throughout history, their lives became linked with the land, both materially and spiritually.
Educational Series
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Publications
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The Gigantic Markagunt and Sevier Gravity Slides Resulting from Mid-Cenozoic Catastrophic Mega-Scale Failure of the Marysvale Volcanic Field, Utah, USA
"The Markagunt and Sevier gravity slides are gigantic landslides that resulted from gravitationally induced catastrophic failure of the southern flank of the Oligocene to Miocene Marysvale volcanic field. Each is nearly 100 km long with runouts over the former land surface>35 km; together they span 7000 km2 and rank among Earth's largest terrestrial landslides. Basal cataclastic layers, injectites, pseudotachylyte, deformed clasts, and a variety of kinematic indicators demonstrate catastrophic emplacement, which was preceded by slow gravitational spreading of the volcanic field. This volume offers a history of their discovery, our current understanding of the gravity slides, and a guide to particularly instructive exposures for which the authors document their conclusions about the size, age, and significant structural features of these newly discovered features"--
Physical Geology of Shallow Magmatic Systems
This book offers a high-level summary of shallow magmatic systems (dykes, sills and laccoliths) to support geoscience master and PhD students, scientists and practicing professionals. The product of the LASI (Laccoliths and Sills conference) workshop, it comprises thematic sections written by one or more experts on the respective field. It features reviews concerning the physical properties of magma, geotectonic settings, and the structure of subvolcanic systems, as well as case studies on the best-known systems. The book provides readers a broad and comprehensive understanding of the subvolcanic perspective on pluton growth, which is relevant for mineralogical processes as well as the genesis of mineral deposits.
