نتایج جستجو برای: uplift and magmatism

تعداد نتایج: 16828102  

2006
A Deutsch

General context: Shock barometry via petrographic analysis helps to understand cratering mechanics, especially mass movements in the central uplift, including its collapse in the late stage of cratering. Shock pressures recorded in lithologies of the central uplift may exceed 45 GPa, e.g., in the Vorotilovo core drilled into the center of the Puchezh-Katunki structure [1]. In other craters, sho...

2002
Andrew Meigs Doug Yule Ann Blythe Doug Burbank

Spatial and temporal patterns of exhumation are inextricably linked to patterns of crustal deformation because crustal deformation drives rock uplift. A new interpretation of a segment of the Pacific-North America transpressional plate boundary in southern California is analyzed in the context of crustal shortening, rock uplift, and exhumation. Deformation is partitioned between two structural ...

2016
Jürgen Mey Dirk Scherler Andrew D Wickert David L Egholm Magdala Tesauro Taylor F Schildgen Manfred R Strecker

Following the last glacial maximum (LGM), the demise of continental ice sheets induced crustal rebound in tectonically stable regions of North America and Scandinavia that is still ongoing. Unlike the ice sheets, the Alpine ice cap developed in an orogen where the measured uplift is potentially attributed to tectonic shortening, lithospheric delamination and unloading due to deglaciation and er...

2012
Kerry Gallagher

We define uplift and denudation, then review the basic principles underlying the mechanisms for producing uplift, and the methodologies used to quantify the geological timescale denudation history of uplifted regions. Uplift is represents work done against gravity, and does not necessarily lead immediately to rapid denudation. The causes of uplift can be categorised according to the principal d...

2007
FREDERICK W. TAYLOR

The recogmuon and dating of corals that have been killed by tectonic uplift allow us to date paleoseismic uplifts in the Vanuatu island arc. We recognize corals that record paleouplifts by their similarity to those known to have died during contemporary sudden uplifts and date them (1) by counting annual coral growth bands (only if f:rt of the coral is alive at the time of collection) or (2) by...

2009
Cin-Ty A. Lee Peter Luffi Terry Plank Heather Dalton William P. Leeman

Article history: Basaltic magmatism is a co Received 31 July 2008 Received in revised form 21 November 2008 Accepted 9 December 2008 Available online 30 January 2009

2007
Simon H. Brocklehurst Kelin X. Whipple

[1] The response of glaciated landscapes to rapid rock uplift, driven by tectonic convergence, is an important, often neglected, aspect of proposed interactions between plate tectonic processes and climate change. Rivers typically respond to more rapid rock uplift in part through increasing channel gradients. In contrast, the ‘‘glacial buzzsaw’’ hypothesis suggests that glaciers can erode as qu...

2002
Charles W. Wicks Daniel Dzurisin Steven Ingebritsen Wayne Thatcher Zhong Lu Justin Iverson

[1] Images from satellite interferometric synthetic aperture radar (InSAR) reveal uplift of a broad 10 km by 20 km area in the Three Sisters volcanic center of the central Oregon Cascade Range, 130 km south of Mt. St. Helens. The last eruption in the volcanic center occurred 1500 years ago. Multiple satellite images from 1992 through 2000 indicate that most if not all of 100 mm of observed upli...

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