| Publisher | University of NV Seismological Lab. & Dept. of Geological Science | ||
|---|---|---|---|
| Format | PDF, requires Acrobat Rdr 5 | Date added | 01 Jan 2000 |
| Topics | Geology, Seismology / Earthquakes | ||
| Downloads | 12 | ||
The origin of Upheaval Dome, in Canyonlands National Park of southeastern Utah, has been a topic of controversy among geologists and planetary scientists. The structure has long been thought to have been created by salt diapirism from the underlying Paradox Formation. Recent studies have suggested that impact could have formed the dome. To test the various hypotheses, we acquired, processed, and interpreted seismic reflection data within and adjacent to the structure. Both conventionally stacked and prestack-migrated images show <100 m relief in the Paradox Formation, contrary to salt diapirism hypotheses. Further, we have identified features within the images typical of impact structures, such as listric normal faults having displacements toward the center of the dome. Deformation occurs in two depth ranges, with the faulting that created the central uplift appearing only above the Hermosa Formation, in the upper 800 m of the structure. The images also suggest limited fracturing of the Hermosa and salt flow in the Paradox Formation, perhaps due to gravitational relaxation of the crater form. Our image of a nearly flat top of the Paradox salt strongly favors an impact origin for Upheaval Dome.
Did you find this white paper useful?
30 out of 50 users found this white paper useful
Related white papers
Vorteile der High Performance Computing Cluster (HPCC)
Angesichts zunehmend komplexer Rechenanforderungen und wachsender Datens?e verlangen die Kunden h?e Rechenkapazit?n zu geringeren Preisen. High Performance Computing Clustering (HPCC) stellt eine L?g dar, die eine leistungsf?ge Implementierung von Rechenleistung...
On the Interpretation of AGCMs Response to Prescribed Time-Varying SST Anomalies
Using a linear model of atmosphere/ ocean interaction, they plausibly argue that this hind-cast skill, as measured by low-pass correlations between observed and simulated indices, is consistent with the ocean mixed...
HPCC(High Performance Computing Cluster)ÀÇ ÀÌÁ¡
aa ??? ¾?¡ º¹"?v°?µ¥ ? º?® ±???v¸? °?µ? ?¾ ´:·?? °¡°?¸·?¸???¼?? ¿¬»?³¸® ´?€» ¿??°?´? HPCC´ ¸??·‡?¿¬»??´?€» f°? ¼??; f°??µ °??º´·?? ???¿?·?µ??? ?¼???¸¦ »??´ °?¡ º? ³?«³ª :·?? ? ´? ¼¼? ³»¿? ¿???¹?¦...
High Performance Computing Cluster (HPCC) Benefits
As computational needs continue to grow in complexity and larger data sets require analysis, customers are requiring higher levels of computational capability at much lower price points. High Performance Computing...
Dell PowerEdge 3250 Info Brief
The PowerEdge 3250 server utilizes the Intel Itanium Processor Family and scalable cluster technologies to deliver cost effective, scalable solutions designed for compute intensive applications. Learn how this technology...
Pacific Northwest National Laboratory (PNNL) – Itanium® 2 and Linux-based systems
This case study details how the world's fastest Linux-based supercomputer, running on Intel(r) Itanium(r) 2 processors, helped the Pacific Northwest National Laboratory quickly compute complex, long-running simulations.
Sloan Digital Sky Survey and Johns Hopkins University Frame the Universe with the Help of Itanium®-based systems from Hewlett-Packard.
The Sloan Digital Sky Survey, the most ambitious astronomical survey project ever undertaken, is the latest in an ancient and honorable tradition of surveying the sky. The continued progress...
