Skip to Main Content
GEOREF RECORD

Quickening the pulse; fractal tempos in continental arc magmatism

Shanaka L. de Silva, Nancy R. Riggs and Andrew P. Barth
Quickening the pulse; fractal tempos in continental arc magmatism (in Arc magmatic tempos, Scott R. Paterson (editor) and Mihai Ducea (editor))
Elements (April 2015) 11 (2): 113-118

Abstract

The magmatic history of a continental arc can be characterized as punctuated equilibrium, whereby long periods of low-level activity are interrupted periodically by short bursts of high-volume magmatism ("flare-ups"). Geochronological records, most notably from zircon, reveal episodicity in volcanism, pluton formation, and detrital sedimentation in, and associated with, arc segments and volcano-plutonic suites. Distinct tempos can be recognized at all resolvable spatial and temporal scales and are broadly fractal, with each scale reflecting the timescale of processes occurring at different levels in the arc crust. The tempos of continental arc magmatism thus reflect modulation of the mantle-power input as it is progressively filtered through the continental crust.


ISSN: 1811-5209
Serial Title: Elements
Serial Volume: 11
Serial Issue: 2
Title: Quickening the pulse; fractal tempos in continental arc magmatism
Title: Arc magmatic tempos
Author(s): de Silva, Shanaka L.Riggs, Nancy R.Barth, Andrew P.
Author(s): Paterson, Scott R.editor
Author(s): Ducea, Mihaieditor
Affiliation: Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States
Affiliation: University of Southern California, Separtment of Earth Sciences, Los Angeles, CA, United States
Pages: 113-118
Published: 201504
Text Language: English
Publisher: Mineralogical Society of America and Mineralogical Society of Great Britain and Ireland and Mineralogical Association of Canada and Geochemical Society and Clay Minerals Society, International
References: 31
Accession Number: 2015-052350
Categories: Igneous and metamorphic petrology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus.
N33°30'00" - N35°00'00", W119°30'00" - W115°30'00"
N34°30'00" - N39°00'00", W124°00'00" - W119°00'00"
Secondary Affiliation: University of Arizona, USA, United StatesNorthern Arizona University, USA, United StatesIndiana University-Purdue University Indianapolis,, USA, United States
Country of Publication: International
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Abstract, copyright, Mineralogical Society of America. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 201524
Close Modal
This Feature Is Available To Subscribers Only

Sign In or Create an Account

Close Modal
Close Modal