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Crystal to Crustal Scale Seismic Anisotropy: Implications for Continental Tectonism.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Crystal to Crustal Scale Seismic Anisotropy: Implications for Continental Tectonism./
Author:	Frothingham, Michael Geoffrey.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2023,
Description:	284 p.
Notes:	Source: Dissertations Abstracts International, Volume: 84-11, Section: B.
Contained By:	Dissertations Abstracts International84-11B.
Subject:	Geology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30417423
ISBN:	9798379532130

Crystal to Crustal Scale Seismic Anisotropy: Implications for Continental Tectonism.
Frothingham, Michael Geoffrey.

Crystal to Crustal Scale Seismic Anisotropy: Implications for Continental Tectonism. - Ann Arbor : ProQuest Dissertations & Theses, 2023 - 284 p.

Source: Dissertations Abstracts International, Volume: 84-11, Section: B.

Thesis (Ph.D.)--University of Colorado at Boulder, 2023.

Much of what we know about continents comes from rocks exposed on Earth's surface; where we live, travel, and observe. However, this is just the outermost crust of our immense planet-the rest is buried. Understanding Earth's interior, the roots of deep mountains, and the origin of continents relies on remote analytical methods. Just as telescopes are used to study distant galaxies via light waves, we use geophysics and seismic waves to investigate deep Earth structure. This thesis examines the seismic properties of rocks at various scales to understand the fabric and formation of continents. In three main chapters, this study focuses on the directionally varying velocities (seismic anisotropy) of waves as they propagate through Earth materials from the crystal to crustal scales. Chapter Two investigates the seismic properties of rocks with magmatic fabrics (e.g., granite), complementing what is already understood about rocks with solid-state deformation fabrics (e.g., layered gneiss). Chapter Three scales up these calculated seismic properties of rock samples from the centimeter scale to the kilometer scale via geologic map data and seismic station data in Colorado to examine links between surface and subsurface geology. Chapter Four applies these properties in the Southern Appalachians; using observed crustal seismic anisotropy measured from seismic stations on Earth's surface to interpret subsurface rock fabrics and structures (e.g., the Appalachian Decollement) that facilitate the collision of continents. This thesis diversifies what scientists know about rock seismic properties, outlines how to scale these properties for various tectonic interpretations, and demonstrates how interdisciplinary geophysical and structural collaborations can inform on the origin of mountains.

ISBN: 9798379532130Subjects--Topical Terms:

516570
Geology.
Subjects--Index Terms:

Rocks

Crystal to Crustal Scale Seismic Anisotropy: Implications for Continental Tectonism.
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100 1 $a Frothingham, Michael Geoffrey. $0 (orcid)0000-0002-3502-1931 $3 3707194
245 1 0 $a Crystal to Crustal Scale Seismic Anisotropy: Implications for Continental Tectonism.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2023
300 $a 284 p.
500 $a Source: Dissertations Abstracts International, Volume: 84-11, Section: B.
500 $a Advisor: Mahan, Kevin H.;Schulte-Pelkum, Vera.
502 $a Thesis (Ph.D.)--University of Colorado at Boulder, 2023.
520 $a Much of what we know about continents comes from rocks exposed on Earth's surface; where we live, travel, and observe. However, this is just the outermost crust of our immense planet-the rest is buried. Understanding Earth's interior, the roots of deep mountains, and the origin of continents relies on remote analytical methods. Just as telescopes are used to study distant galaxies via light waves, we use geophysics and seismic waves to investigate deep Earth structure. This thesis examines the seismic properties of rocks at various scales to understand the fabric and formation of continents. In three main chapters, this study focuses on the directionally varying velocities (seismic anisotropy) of waves as they propagate through Earth materials from the crystal to crustal scales. Chapter Two investigates the seismic properties of rocks with magmatic fabrics (e.g., granite), complementing what is already understood about rocks with solid-state deformation fabrics (e.g., layered gneiss). Chapter Three scales up these calculated seismic properties of rock samples from the centimeter scale to the kilometer scale via geologic map data and seismic station data in Colorado to examine links between surface and subsurface geology. Chapter Four applies these properties in the Southern Appalachians; using observed crustal seismic anisotropy measured from seismic stations on Earth's surface to interpret subsurface rock fabrics and structures (e.g., the Appalachian Decollement) that facilitate the collision of continents. This thesis diversifies what scientists know about rock seismic properties, outlines how to scale these properties for various tectonic interpretations, and demonstrates how interdisciplinary geophysical and structural collaborations can inform on the origin of mountains.
590 $a School code: 0051.
650 4 $a Geology. $3 516570
650 4 $a Geophysics. $3 535228
650 4 $a Petrology. $3 535210
653 $a Rocks
653 $a Continents
653 $a Earth's surface
653 $a Mountains
653 $a Seismic properties
690 $a 0372
690 $a 0584
690 $a 0373
710 2 $a University of Colorado at Boulder. $b Geology. $3 1019510
773 0 $t Dissertations Abstracts International $g 84-11B.
790 $a 0051
791 $a Ph.D.
792 $a 2023
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30417423