Michael Darin

Michael Darin
University of Nevada, Reno | UNR · Nevada Bureau of Mines and Geology

Ph.D. in Geology
Looking for more hours in the day.

About

66
Publications
10,118
Reads
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242
Citations
Citations since 2016
53 Research Items
222 Citations
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201620172018201920202021202201020304050
Introduction
I use geologic mapping, structural geology, stratigraphy, geo/thermochronology, and GIS to investigate how upper crustal deformation evolves in both time and space at all types of tectonic plate boundaries (convergent, divergent, and oblique). A crucial aspect of my research is understanding geologic histories through direct observations of rock relationships in the field. My primary research interests are understanding the timing, magnitude, style, rate and distribution of deformation. I'm also interested in basin analysis, tectonic reconstructions, fault kinematics, geodynamics, paleomagnetism, paleogeography, and the tectonic evolution of western North America & the Middle East. My favorite place I've never been is the Southern Alps of New Zealand, and my favorite rock is mylonite.
Additional affiliations
March 2020 - present
University of Nevada, Reno
Position
  • Professor (Assistant)
Education
January 2014 - May 2019
Northern Arizona University
Field of study
  • Geology, Tectonics
September 2009 - December 2011
University of Oregon
Field of study
  • Geology
January 2003 - December 2008
University of Colorado Boulder
Field of study
  • Geology, Political Science

Publications

Publications (66)
Article
Full-text available
We compiled geochronology data from 87 published studies within the Anatolia orogen (32.5°E–44°E) to investigate the spatial and temporal patterns of continental magmatism during the final stages of Neotethys Ocean closure. The number and diversity of studies compiled here collectively provide a thorough characterization of magmatism (>700 ages) in...
Article
Full-text available
Continental collisions exert a profound influence on the configuration and evolution of orogenic systems. The effects of Arabia-Eurasia collision on the geodynamics of the eastern Mediterranean are difficult to unravel, however, because the timing of initial collision (i.e., intercontinental contact) remains controversial. We present the first detr...
Article
Late Cenozoic tectonic reconstructions of southern California (United States) have been hindered for decades by disagreement over the total displacement on the southern San Andreas fault; disparate estimates of dextral offset range from 160 km to 240 km. Prior estimates were based on purely translational models that neglect the effects of transrota...
Article
The geologic record of the formation of marine basins during continental rifting is uncommonly preserved. Using GIS-based paleotectonic maps, we show that marine basin formation in the Gulf of California–Salton trough oblique rift (Mexico and the United States) occurred in a stepwise manner as crustal thinning lowered elevations within the Gulf of...
Article
The timing, kinematics, and processes responsible for the rapid transition from subduction to oblique rifting and the localization of the Pacific-North America plate boundary in the Gulf of California are not well understood. Well exposed volcanic rocks deposited between ~ 15 and 10 Ma in the Sierra Bacha (coastal Sonora, México) preserve a record...
Technical Report
Full-text available
This 1:24,000-scale geologic map of the Nevada portion of the Desert 7.5-minute quadrangle and adjacent parts of the McCullough Mountain 7.5-minute quadrangle covers the central and southern parts of the Lucy Gray Mountains in Clark County, Nevada. The mountain range is bounded by the semi-arid and hydrologically closed Ivanpah Valley to the south...
Technical Report
Full-text available
This 1:24,000-scale geologic map of the southern half of the McCullough Mountain 7.5-minute quadrangle covers the southern end of the McCullough Range in Clark County, Nevada. The mountains are bounded by the northwest corner of Piute Valley to the east. The range consists of Proterozoic granitic orthogneiss of various generations unconformably ove...
Article
Full-text available
The persistent debate over the timing of initial Arabia–Eurasia collision has eluded consensus for decades, with most estimates ranging widely from ~50 to 10 Ma along both the Anatolian and Zagros segments of the orogen. Here, we independently evaluate the timing and location of initial collision using a quantitative plate tectonic reconstruction t...
Article
Full-text available
An extensive detrital zircon U-Pb data set (n = 6324 dates) from Eocene to Miocene sandstones and modern river sands establishes the onset of arc magmatism and forearc uplift along the Cascadia convergent margin in southwestern Oregon (United States). Middle to late Eocene marine strata in the Coos Bay area were primarily sourced from the Klamath M...
Article
Full-text available
The Eastern California shear zone (ECSZ; southwestern USA) accommodates ~20%–25% of Pacific–North America relative plate motion east of the San Andreas fault, yet little is known about its early tectonic evolution. This paper presents a detailed stratigraphic and structural analysis of the uppermost Miocene to lower Pliocene Bouse Formation in the...
Poster
Full-text available
The Santa Rosalía Basin in central Baja California, México formed during the late Miocene transition from subduction to oblique rifting associated with the birth of the Gulf of California. The basin’s structure and faulting style is poorly understood despite being import- ant for local mining of Cu-Co-Zn mineralization. This study explores the spat...
Article
[I will gladly send this full-text privately to colleagues, researchers and students if requested]. The Sivas Basin overlaps the northern Neotethys suture zone in central Anatolia (Turkey) and contains a ~12 km‐thick succession of Cenozoic strata that provides an exceptional record of major tectonic transitions from subduction to continental assemb...
Conference Paper
Despite more than a century of study along the Cascadia margin of western North America, significant uncertainties remain regarding fundamental aspects of the evolution of this classic arc-forearc system, including the: (1) paleogeography of the margin prior to arc development; (2) inception of Cascade arc magmatism; and (3) timing of forearc uplif...
Conference Paper
Full-text available
The evolving volcano-tectonic landscape of the Baja California (BC) peninsula governs the diversity of its flora and fauna. Many factors control habitat distribution and the position of the Pacific and Gulf of California shorelines since the late Miocene, including older volcanic topography and vertical crustal motions driven by rift-related uplift...
Conference Paper
Full-text available
Tablet computers have become essential equipment for many field geologists, and recent studies demonstrate that iOS devices in particular are suitable for measurements typically done with a Brunton compass. GPS located observations visible on base data that can be toggled between imagery, lidar, and existing geologic data, combined with rapid colle...
Article
Full-text available
The architecture, kinematics, and timing of fold-and-thrust belt development provide essential first-order constraints on the structural evolution of continental collision zones. The southern Sivas fold-thrust belt (SSFTB) is a ~300 × 50 km-long, ENE-trending contractional belt located in the Sivas Basin at the western end of the Arabia-Eurasia col...
Conference Paper
Full-text available
Despite significant progress toward understanding the kinematics of modern tectonic escape in Anatolia, considerable uncertainty remains regarding the dynamics of the transition from collision to escape. Because of the relatively small size of the Anatolia microplate, regional-scale studies spanning the plate margins and interior are well-suited to...
Conference Paper
Full-text available
Because subduction is a destructive process, the surface record of subduction-dominated systems is naturally incomplete. Sedimentary basins may hold the most complete record of processes related to subduction, accretion, collision, and ocean closure, and thus provide key information for understanding the kinematic evolution of oro-gens. In central...
Conference Paper
Full-text available
The Anatolian Orogen is a world-class example of tectonic escape embedded within the Afro/Arabia-Eurasia collision zone. The Eurasian margin exhibits significant variations in deformation magnitude and style along strike, including major strike-slip and transtensional fault systems oriented both parallel and oblique to the orogen. Much of this vari...
Conference Paper
Full-text available
The Anatolian plate (Turkey) was formed during the late Miocene-Pliocene transition from contractional strain in central and eastern Anatolia (collision) to localized strike-slip faulting along inherited collisional structures (escape tectonics). Structural inheritance undoubtedly played a role in this major plate boundary reorganization, although...
Article
Full-text available
This geologic map covers an area of ~500 km2 in coastal Sonora along the eastern rifted margin of the northern Gulf of California. Detailed geologic mapping of rare exposures of late Miocene rocks in the Sierra Bacha provides a unique opportunity to investigate the timing, magnitude, and style of deformation during the tectonic transition from subd...
Conference Paper
Full-text available
Tectonic reconstructions of the Pacific-North America (PAC-NAM) plate boundary across the Gulf of California and Salton Trough (GCAST) constrain the controversial magnitude of Baja California microplate-North America (BCM-NAM) relative motion since middle Miocene time. We use estimates of total PAC-NAM relative dextral-oblique motion from the updat...
Conference Paper
Full-text available
It has long been known that a seaway formed during the proto-Gulf of California stage of the oblique–divergent Pacific-North America plate boundary, but the processes that formed the seaway are poorly known. Microfossils and volcanic units date the first marine incursions at ~8 Ma at the mouth of the Gulf, ~7 Ma in the central Gulf, and 6.3 – 6.5 M...
Conference Paper
Full-text available
We present GIS-based reconstructions for the Pacific-North America (PAC-NAM) oblique plate boundary. Our maps track PAC-NAM deformation since 12 Ma, at 1-2 Myr intervals, and use existing data to close basins, restore slip on faults, and restore rotated blocks. We use modern-day GPS motion between the Baja California microplate (BCM) and North Amer...
Conference Paper
Full-text available
Late Cenozoic Pacific-North America (PAC-NAM) plate motion has been accommodated by a combination of localized and distributed shear, transtension, transpression and rotation of crustal-scale faults blocks. At the latitude of the Gulf of California (GOC), a global plate circuit model requires 600-650 km of cumulative northwestward displacement of t...
Conference Paper
Full-text available
The conditions and processes that led to plate boundary localization in the Gulf of California ca. 6 Ma, and in particular, the time at which dextral strain became established in the Gulf region, remain poorly understood and debated. Competing end member models propose that “proto-Gulf” (12-6 Ma) strain was: (1) partitioned between dextral strain o...
Conference Paper
We present preliminary results of a time-series reconstruction of the northern Gulf of California (GOC) and Salton Trough that highlights recent advances and unresolved controversies in understanding the strain history of this region. The final product will be a series of GIS-based paleotectonic maps that track oblique-divergent Pacific-North Ameri...
Conference Paper
The conditions and processes that led to plate boundary localization in the Gulf of California ca. 6 Ma, and in particular, the time at which dextral strain became established in the Gulf region, remain poorly understood and debated. Competing end member models propose that “proto-Gulf” (12-6 Ma) strain was: (1) partitioned between dextral strain o...
Conference Paper
We present preliminary results of a time-series reconstruction of the northern Gulf of California (GOC) and Salton Trough that highlights both recent advances as well as unresolved controversies in understanding the strain history of this region. A series of GIS-based paleotectonic maps are planned to track oblique-divergent Pacific-North America p...
Conference Paper
The Gulf of California is an oblique-rift basin that formed by Late Cenozoic dextral-oblique extension along the Pacific-North America plate boundary. The time at which plate boundary dextral strain became established in the Gulf region is debated. Two end-member models propose that late Miocene dextral strain was either: (1) accommodated on the To...

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Projects

Projects (3)
Archived project
Examine subaqueous volcanic rocks in order to constrain timing and extent of flooding in the Verde Valley..