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Holocene Earthquakes And Late Pleistocene Slip-Rate Estimates On The Wassuk Range Fault Zone, Nevada, J. M. Bormann, Benjamin E. Surpless, M. W. Caffee, S. G. Wesnousky

Earth and Environmental Geosciences Faculty Research

The Wassuk Range fault zone is an 80‐km‐long, east‐dipping, high‐angle normal fault that flanks the eastern margin of the Wassuk Range in central Nevada. Observations from two alluvial fan systems truncated by the fault yield information on the vertical slip rate and Holocene earthquake history along the range front. At the apex of the Rose Creek alluvial fan, radiocarbon dating of offset stratigraphy exposed in two fault trenches shows that multiple earthquakes resulted in 7.0 m of vertical offset along the fault since ∼9400 cal B.P. These data yield a Holocene vertical slip rate of 0.7±0.1  mm/yr. The south trench …

Crustal Velocity Structure Around The Safod Borehole Using Vertical Wave Gradiometry, Mehari Melak Ayele

Electronic Theses and Dissertations Archive

This study tests the effectiveness of the wave gradiomety array analysis technique in extracting the wave parameters from the borehole data. 80 3-component high-frequency borehole accelerometers were integrated in a tube and clamped along the wall of San Andreas Fault Observatory at Depth (SAFOD) main hole. Data were recorded from six shots of size 2.3 to 4.5 kg and several 36.3 kg pentolite explosives with the accelerometers at three different positions in the borehole. Wave gradiomety and travel time array analysis techniques were used to investigate the velocity structure around the SAFOD borehole. The results show that both techniques can …

Spatial Patterns Of Herbaceous And Woody Recruitment In A Recently Restored Mixed Tidal Regime Freshwater Wetland, James B. Deemy

Theses and Dissertations

Ecological restoration of a converted wetland was characterized within a recently drained impoundment along the James River in Charles City County, Virginia. Colonizing vegetation was assessed over three growing seasons in both tidal and non-tidal environments. Study objectives were to (1) examine geospatial relations of recruitment patterns among colonizing species over three growing seasons, (2) quantify species composition and potential differences between extant species cover and soil seed banks across restored and natural wetland habitats and (3) assess geospatial patterns to develop a GIS model of bald cypress (Taxodium distichum L.) recruitment. The two most common native colonizing species during …

The Length-Biased Lognormal Distribution And Its Application In The Analysis Of Data From Oil Field Exploration Studies, Makarand V. Ratnaparkhi, Uttara V. Naik-Nimbalkar

Journal of Modern Applied Statistical Methods

The length-biased version of the lognormal distribution and related estimation problems are considered and sized-biased data arising in the exploration of oil fields is analyzed. The properties of the estimators are studied using simulations and the use of sample mode as an estimate of the lognormal parameter is discussed.

Rock Properties And Structure Within The San Andreas Fault Observatory At Depth (Safod) Borehold, Northwest Of Parkfield, California: In Situ Observations Of Rock Deformation Processes And Fluid-Rock Interactions Of The San Andreas Fault Zone At ~ 3 Km Depth, Kelly Keighley Bradbury

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The San Andreas Fault Observatory at Depth (SAFOD) is a scientific drilling experiment situated along the central creeping segment of the San Andreas Fault, near Parkfield, California, and north of a segment of the fault that has experienced large historical earthquakes. Drilling into active fault zones allows scientist’s to examine in situ rock samples and to record real-time data.

The main goal of this study is to characterize the geologic setting and rock properties of the San Andreas fault at ~ 3 km depth in the SAFOD borehole. In this region, the fault deforms nearly continuously through aseismic creep and …

Back To The Future: The Mechanics Of Temporality In H.G. Wells' The Time Machine, Rebecca Matt

English

No abstract provided.

Pharmacists' Role In Safe And Legal Medication Disposal, Allyson Lamb

Department of Environmental Studies: Undergraduate Student Theses

No abstract provided.

Geothermal Alteration Of Basaltic Core From The Snake River Plain, Idaho, Christopher Joseph Sant

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The Snake River Plain is located in the southern part of the state of Idaho. The eastern plain, which this study focuses on, is a trail of volcanics from the Yellowstone
hotspot. Three exploratory geothermal wells were drilled on the Snake River Plain. This project studies basaltic core from the first well at Kimama, north of Burley, Idaho. The objectives of this project are to establish zones of geothermal alteration and analyze the potential for geothermal power production near the center of the Snake River Plain. Thirty samples from 1,912 m of core were sampled and analyzed. Mineral data, temperature …

Freshwater Fish Biogeography In The Bering Glacier Region, Alaska, Heidi L. Weigner

Biological Sciences

Bering Glacier, Alaska, is Earth's largest surging glacier, with surges occurring approximately every 20-30 years since 1900. Surges and subsequent retreats lead to a dynamic environment for aquatic communities, as glacial ice over-rides landscapes and new habitats form during glacial retreat. Lands around Bering Glacier are administered by the State of Alaska and the U.S. Bureau of Land Management (BLM). Purposes of this study are to characterize fish communities and provide information relevant to their management for BLM. Given Bering Glacier's remoteness, little information exists regarding its fish communities. Fish were collected over five summer field seasons (2002-2006), with 10 …

Depositional Systems, Paleoclimate, And Provenance Of The Late Miocene To Pliocene Beluga And Sterling Formations, Cook Inlet Forearc Basin, Alaska, Jacob Mongrain

Geosciences

The sedimentary record of forearc basins provides critical clues to the complex geologic history of subduction zones. This study focuses on Cook Inlet forearc basin, part of a larger forearc basin complex in southern Alaska. Specifically, I investigated the sedimentology, paleoclimate, and provenance of the Beluga and Sterling formations, comprising the late Miocene to Pliocene Cook Inlet basin record. These interpretations are used to reconstruct the Miocene-Pliocene basin history and better understand forearc development. Before ~11 Ma anabranching/single channel depositional systems of the Beluga Fm. deposited sediment on the western and eastern margins of Cook Inlet. Sandstone compositional data suggest …

The Arctic Council: Gatekeeper Or Doormat To The World’S Next Major Resource Battle?, Oded Cedar

Sustainable Development Law & Policy

No abstract provided.

Eocene-Oligocene Calcareous Nannofossils From Huedin Area, Between Hodis And Tetis (Transylvania, Romania): Biostratigraphy And Paleoecological Data, Carmen Chira, Alin Igrițan

Studia UBB Geologia

Eocene - Oligocene deposits from Huedin area, between the localities Hodiş and Tetiş, of the Transylvanian Basin, have been analysed. The assemblages of calcareous nannofossils are rich in the Brebi and Mera formations and relatively scarce in almost all other formations.

The Mesozoic Carbonate Deposits From The Borehole 6042 Deleni (Transylvanian Depression), Ioan I. Bucur, Marcel-Adrian Piteiu, Emanoil SăSăRan

Studia UBB Geologia

The borehole 6042 Deleni is among the few wells located in the central part of the Transylvanian Depression that crossed the rocks in the basement. Among these, the Mesozoic deposits were cross-cut along 916 m. Based on the investigations carried out on core samples from the Mesozoic deposits three carbonate units attributed to the Late Oxfordian -Tithonian (?Neocomian) have been separated. A preliminary evaluation of the terrigenous and carbonate-terrigenous deposits overlaying the carbonate ones indicated an Aptian-Albian, respectively Senonian age. Considerations on the paleoenvironment of the Mesozoic deposits studied are also presented.

Microfacies Of The Triassic Limestones In The Piatra Soimului Klippe (Transylvanian Nappes Rarau Syncline, Eastern Carpathians, Romania), Daniela Popescu, Liviu Popescu

Studia UBB Geologia

The Piatra Şoimului klippe belongs to the allochtonous sedimentary succession of the Transylvanian Nappes in the Rarău Syncline. It is situated on the western flank of the syncline over the Callovian – Oxfordian jaspers. The identified micropaleotologic association consists of dasycladales, foraminifera, sphynctozoa, echinoderms, etc. which indicate Pelsonian–Norian age. The microfacies of these limestones demonstrate the origin of Piatra Şoimului klippe from a previously carbonate platform situated to the west of the Bucovinian sedimentary domain. The correlation between the allochemic and ortochemic components described in the numerous microfacies types proves that the Triassic sedimentation took place in an internal platform …

The Miocene Calcareous Nannofossils From Bistriţa Area (Transylvania, Romania), Carmen Chira, Ana-Maria Vulc

Studia UBB Geologia

The Middle Miocene (Badenian, Sarmatian and Pannonian) deposits from the region of Bistriţa, between the localities: Susenii Bârgăului, Livezile, Bistriţa, Sărata, Sărăţel, Budacu de Sus (Transylvanian Basin) have been analysed from the nannofloral point of view. The nannofossils are relatively scarce, excepting the ones related to Lower Badenian deposits. Only the fossil index for NN5 Zone – Sphenolithus heteromorphus, and for NN6 Zone – Discoaster exilis have been identified.

A Study On The Geology Of The Ţaga Region (Cluj District), Ioan MâRza

Studia UBB Geologia

The geological formations from Ţaga area (Cluj District) are Sarmatian in age (in outcrops) and Badenian (under surface). Lithologically, they are represented mainly by sands and sometimes fine sediments (clays, marls), interbedded with volcanic tuffs a low fossil content. The Badenian is the host of gas accumulations, concentrated in dome structures.

Microbial Structures And Microencrusters In The Upper Jurassic - Lower Cretaceous Deposits From Buila-Vânturariţa Massif (South Carpathians), Andreea Ut̡A, Ioan I. Bucur

Studia UBB Geologia

The Upper Jurassic – Lower Cretaceous limestones from Buila-Vânturariţa massif partly consisting of reef build-ups, are characterised by an important component of microbial organisms. This paper describes and illustrates some of the most important structures interpreted as having a microbial nature: “Tubiphytes” and Bacinella-type structures, cyanobacterial structures, micritic crusts, and peloidal structures. Most of these structures are related to different shallow-water environments, from intertidal, high-energy environment, to protected low energy subtidal environment.

Arenite Concretions With Axial Channel From The Badenian Deposits Of Cheia (Turda) - A New Type Of Concretions, Ioan Mârza, Ciprian Constantina, Horea PâRlea

Studia UBB Geologia

The paper introduces a new type of arenite concretions (max. 40-50 cm in diameter). Spheroidal concretions with an axial cylindrical channel (1-6 cm in diameter) resulted from the levigation of the concretion centre consisting of soft fusiform clasts with a clayey-carbonate composition. The concretions are hosted by a level of Badenian sandstones and microconglomerates (about 10-m thick) which occur in the place called “Groapa cu Piersici” (Cheia, Turda).

The Spatial Extension And The Age Of The Tomnatec Formation In Audia Nappe, Liviu Ionesi, Florin Florea

Studia UBB Geologia

No abstract provided.

Major Elements Geochemistry Of The Breiner Baiut Ore Deposit (Gutai Mountains, Eastern Carpathians), Dan Costin

Studia UBB Geologia

The Breiner Băiuţ epithermal vein – type deposit is basically a base metal ore body with important amounts of gold and silver. The frequency distribution pattern of the major elements (Au, Ag, Pb, Zn, Cu, S) is complex in many cases, but at some mining levels it is lognormal. The correlation coefficient "r" has been calculated for six pairs of major elements. The values are positive and indicate strong correlations between these elements. The average grades values for each major element at all levels have been used to highlight the vertical variation of chemistry of the mineralization. The ore body …

Legacy - March 2012, South Carolina Institute Of Archaeology And Anthropology--University Of South Carolina

SCIAA Magazine - Legacy & PastWatch

Contents:

Stanley South Has Retired!.....p. 1
Director's Note.....p. 2
Colonial Conflicts and the Carolina-Chickasaw· Connection.....p. 4
God's Fields: Landscape, Religion, and Race in Moravian Wachovia.....p. 5
2011 Activities of the Southeastern Paleoamerican Survey.....p. 6
SCAPOD Update: Public Education at the Topper Site During the 2011 Field Season.....p. 11
The 2011 Field Seasons at Robertson Farm Site 2 (38PN35).....p. 12
SCAPOD Collaboration with PAST: Public Outreach at Robertson Farm Site (38PN35).....p. 14
The Savannah River Archaeological Research Program's Cinematic Outreach Program.....p. 15
Radiocarbon and Luminescence Dating at Flamingo Bay (38AK469): Implications for Site Formation Processes and Artifact Burial at a …

2011 Activities Of The Southeastern Paleoamerican Survey, Albert C. Goodyear

Faculty & Staff Publications

No abstract provided.

Evolution Of The Earliest Horses Driven By Climate Change In The Paleocene-Eocene Thermal Maximum, Ross Secord, Jonathan I. Bloch, Stephen G. B. Chester, Doug M. Boyer, Aaron R. Wood, Scott L. Wing, Mary J. Kraus, Francesca A. Mcinerney, John Krigbaum

Department of Earth and Atmospheric Sciences: Faculty Publications

Body size plays a critical role in mammalian ecology and physiology. Previous research has shown that many mammals became smaller during the Paleocene-Eocene Thermal Maximum (PETM), but the timing and magnitude of that change relative to climate change have been unclear. A high-resolution record of continental climate and equid body size change shows a directional size decrease of ~30% over the first ~130,000 years of the PETM, followed by a ~76% increase in the recovery phase of the PETM. These size changes are negatively correlated with temperature inferred from oxygen isotopes in mammal teeth and were probably driven by shifts …

Sedimentary Succesion Of The Lower Cretaceous Deposits From The North-Western Part Of Pădurea Craiului (Apuseni Mountains, Romania), Daniel F. Lazar, Ioan I. Bucur, Ioan Cociuba, Emanoil Sasaran

Studia UBB Geologia

Within the general succession of the Lower Cretaceous deposits from the Vârciorog-Dobreşti area (Pădurea Craiului Mountains), carbonate and terrigenous deposits were identified. The limestones were assigned to two distinctive lithostratigraphic units: the Valea Măgurii and Vârciorog formations. Based on the orbitolinids Palorbitolina lenticularis and Mesorbitolina texana their ages are assigned to the early Aptian, and respectively late Aptian–Albian. The terrigenous facies mainly include fine grained deposits (clays, siltites, marls) and, to a lesser extent, coarser ones (glauconitic sandstones and conglomerates), and they are attributed to the Ecleja and Vârciorog formations. The marls of the Ecleja Formation have been observed in …

Geochemistry Of Cave Pools In The Guadalupe Mountains, Nm : Implications For Geomicrobiology, Kooser Ara

Earth and Planetary Sciences ETDs

The study of the chemistry of waters in cave pools in the Guadalupe Mountains, NM was conducted to determine the variation in cave pool water geochemistry, explain hydrogeologic variations in a geologic context, identify the processes that control cave pool hydrologic variations and determine geochemical controls on modern and paleo-bacterial communities. Structural studies indicate cave pools align along NE and NW structures in the karst system. The intersection of Permian structures and Cenozoic related structures provide pathways for infiltrating water. Water samples were collected from 19 new cave pools; the results were integrated with published geochemistry from 192 cave pools, …

Vent-Fault Spatial Study Of Selected Volcanic Fields Of Southwestern North America And Mexico, Michelle Leonard

USF Tampa Graduate Theses and Dissertations

Of fundamental concern in volcanic hazard and risk assessment studies of volcanic systems is what role crustal structures might play in the ascent of magma through the crust. What are the processes that govern the spatial distribution and timing of eruptions, especially in populated areas or near sensitive facilities? Many studies have drawn the conclusion that faults play a critical role as easily–exploitable crustal weaknesses along which magma can ascend. Great care must be used when assuming a causative relationship between patterns of vents and faults especially when such relationships may be incorporated into hazard assessment models or other forecasting …

Spatial Analyses Of Benthic Habitats To Define Coral Reef Ecosystem Regions And Potential Biogeographic Boundaries Along A Latitudinal Gradient, Brian K. Walker

Marine & Environmental Sciences Faculty Articles

Marine organism diversity typically attenuates latitudinally from tropical to colder climate regimes. Since the distribution of many marine species relates to certain habitats and depth regimes, mapping data provide valuable information in the absence of detailed ecological data that can be used to identify and spatially quantify smaller scale (10 s km) coral reef ecosystem regions and potential physical biogeographic barriers. This study focused on the southeast Florida coast due to a recognized, but understudied, tropical to subtropical biogeographic gradient. GIS spatial analyses were conducted on recent, accurate, shallow-water (0–30 m) benthic habitat maps to identify and quantify specific regions …

Extent And Mechanism Of Footwall Shear Adjacent To The Ruby's Inn Thrust Fault, Southern Utah, Skyler B. May, Roger E. Leavitt, John S. Maclean

The Compass: Earth Science Journal of Sigma Gamma Epsilon

The Ruby’s Inn Thrust, located in the Bryce Canyon region, is an uncharacteristic demonstration of a south-directed shortening episode located near the predominately east-directed contractional structures of the Sevier Orogeny. The Paleocene to Eocene Claron Formation in the footwall of the Ruby’s Inn Thrust contains conjugate shear structures and vertical fault planes with slickensides and slickenlines, indicating complex multidirectional shearing. We determined the north-south extent of a broad shear zone along a traverse immediately west of Bryce Canyon National Park, and shearing intensifies slowly from the main thrust at the northern end of our traverse to a maximum intensity at …

Strain Analysis On The Sub-Lay Dam Unconformity Near Jumbo, Alabama, Clinton Barineau

Faculty Bibliography

No abstract provided.

Grid-Scale Energy Storage For Integrating Renewable Energy: Updates On Ferc Order 755 And Doe-Funded Demonstration Projects, Steve Dahlke

Environmental Studies Student Work

Energy storage is an important technology for overcoming intermittency issues and increasing renewable energy development. Storage provides valuable services to a grid with high penetrations of variable renewable generation. In this paper a background of electricity markets and the regulatory environment in the United States is provided to give context. Then, implications from FERC Order 755 and frequency regulation compensation issues are explored, with a particular focus on the Midwest Independent System Operator (MISO). Finally, updates of ongoing federal-funded energy storage demonstration projects are presented.