Search Results - "Dumitru, Trevor A."
-
1
Detrital zircon U-Pb reconnaissance of the Franciscan subduction complex in northwestern California
Published in International geology review (11-06-2015)“…In northwestern California, the Franciscan subduction complex has been subdivided into seven major tectonostratigraphic units. We report U-Pb ages of ≈2400…”
Get full text
Journal Article -
2
Early Cretaceous transition from nonaccretionary behavior to strongly accretionary behavior within the Franciscan subduction complex
Published in Tectonics (Washington, D.C.) (01-10-2010)“…During subduction at the Franciscan trench beginning at 170–160 Ma and continuing to the present, marine sedimentary and lesser volcanic rocks have been…”
Get full text
Journal Article -
3
Sandstone matrix olistostrome deposited on intra-subduction complex serpentinite, Franciscan Complex, western Marin County, California
Published in Tectonophysics (28-09-2012)“…Detailed field mapping in the Franciscan Complex in western Marin County, California, offers insight into the origins and development of mélanges, as well as…”
Get full text
Journal Article -
4
New insights into Arctic paleogeography and tectonics from U-Pb detrital zircon geochronology
Published in Tectonics (Washington, D.C.) (01-06-2006)“…To test existing models for the formation of the Amerasian Basin, detrital zircon suites from 12 samples of Triassic sandstone from the circum‐Arctic region…”
Get full text
Journal Article -
5
Eocene initiation of the Cascadia subduction zone; a second example of plume-induced subduction initiation?
Published in Geosphere (Boulder, Colo.) (01-06-2019)“…The existing paradigm for the major ca. 56-48 Ma subduction zone reorganization in the Pacific Northwest of North America is that: (1) the Siletzia large…”
Get full text
Journal Article -
6
Thermochronological constraints on the timing and magnitude of Miocene and Pliocene extension in the central Wassuk Range, western Nevada
Published in Tectonics (Washington, D.C.) (01-08-2002)“…Apatite fission track and (U‐Th)/He thermochronological data provide new constraints on the timing of faulting and exhumation of the Wassuk Range, western…”
Get full text
Journal Article -
7
Comment on 'New insights on Franciscan Complex geology, architecture, depositional age, and provenance for the western Mt. Tamalpais area, Marin County, California' by Bero et al. (2020)
Published in International geology review (28-04-2022)“…Serious errors and inconsistencies in the article undermine many of its interpretations to the point that principal conclusions are not valid. Much dependence…”
Get full text
Journal Article -
8
Thermal annealing of fission and ion tracks in epidote
Published in Physics and chemistry of minerals (01-07-2022)“…Fission tracks are used for geologic age-dating and for the reconstruction of thermal histories of Earth’s upper crust. However, there remains a gap in the…”
Get full text
Journal Article -
9
Thrusting and exhumation around the margins of the western Tarim basin during the India-Asia collision
Published in Journal of Geophysical Research: Solid Earth (10-03-1997)“…The Cenozoic collision between India and Asia has deformed a large part of central Asia. To the north of Tibet around the margins of the western Tarim basin,…”
Get full text
Journal Article -
10
Two-phase westward encroachment of Basin and Range extension into the northern Sierra Nevada
Published in Tectonics (Washington, D.C.) (01-01-2002)“…Structural, geophysical, and thermochronological data from the transition zone between the Sierra Nevada and the Basin and Range province at latitude ∼39°N…”
Get full text
Journal Article -
11
Miocene unroofing of the Canyon Range during extension along the Sevier Desert Detachment, west central Utah
Published in Tectonics (Washington, D.C.) (01-06-2001)“…Apatite fission track results from Neoproterozoic and Lower Cambrian quartzites collected from the Canyon Range in west central Utah reveal a significant early…”
Get full text
Journal Article -
12
40Ar/39Ar Ages from Coherent, High-Pressure Metamorphic Rocks of the Franciscan Complex, California: Revisiting the Timing of Metamorphism of the World's Type Subduction Complex
Published in International geology review (01-10-2007)“…In the Franciscan subduction complex of California, high-pressure metamorphic rocks have generally been divided into two groups, "high-grade blocks" and…”
Get full text
Journal Article -
13
Cretaceous to Recent extension in the Bering Strait region, Alaska
Published in Tectonics (Washington, D.C.) (01-06-1995)“…A key issue presented by the geology of northern Alaska concerns the demise of the Brooks Range going west toward the Bering Strait region. The main Brookian…”
Get full text
Journal Article -
14
-
15
-
16
Timing and Nature of Tertiary Plutonism and Extension in the Grouse Creek Mountains, Utah
Published in International geology review (01-06-2003)“…The Grouse Creek-Albion-Raft River metamorphic core complex in northwestern Utah and southern Idaho is characterized by several Tertiary plutons with a range…”
Get full text
Journal Article -
17
Two-phase westward encroachment of Basin and Range extension into thenorthern Sierra Nevada
Published in Tectonics (Washington, D.C.) (03-01-2002)Get full text
Journal Article