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MEMOIR 219

Providencia Island: A Miocene Stratovolcano on
PROVIDENCIA ISLAND By Alan L. Smith, M. John Roobol, Glen S. Mattioli,
Memoir 219
the Lower Nicaraguan Rise, Western Caribbean—
A Geological Enigma Resolved
A Miocene Stratovolcano on the Lower Nicaraguan Rise,
Western Caribbean— A Geological Enigma Resolved
George E. Daly, and Joan E. Fryxell
Providencia is the only example of subaerial volcanism on the Lower
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Nicaraguan Rise. In this volume, the authors examine this volcanism
and the geological history of the western Caribbean and the Lower
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28 the Caribbean plate has been described as enigmatic and poorly
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Nicaraguan Rise, whose origin and role in the development of
$ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ understood. While the Providencia alkaline suite is similar to others
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within the Western Caribbean Alkaline Province, its sub alkaline
suite is unique, having no equivalent within the province. In order
to unravel its complex history and evolution, this volume presents
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new and previously published results for the geology, geochemistry,
petrology, and isotopic ages from the Providencia island group.
MWR219, 101 p., ISBN 9780813712192
list price $40.00 | member price $28.00
By Alan L. Smith, M. John Roobol, Glen S. Mattioli, George E. Daly, and Joan E. Fryxell
BUY ONLINE } rock.geosociety.org/store/
toll-free +1.800.472.1988 | +1.303.357.1000, option 3 | gsaservice@geosociety.org
SPECIAL PAPER 549
Emergence and Evolution of Barbados
Emergence and Evolution
Emergence and Evolution
Emergence and Evolution Edited by Christine Speed, Richard Sedlock,
Emergence and Evolution
Emergence and Evolution
Emergence and Evolution
Emergence and Evolution
Emergence and Evolution
By Robert C. Speed and Hai Cheng;
Special Paper 549
of Barbados
of Barbados
of Barbados
of Barbados
and Lawrence Andreas
of Barbados
of Barbados
of Barbados
of Barbados
Emergence and Evolution of Barbados is a three-part analysis of the Qua-
ternary geologic and geomorphologic evolution of the island of Barbados
in the southeastern Caribbean. “Geology of Southeastern Barbados”
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M assembles and integrates detailed observations into a complex
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700 k.y. history of marine sculpting and riverine ooding processes.
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42 Quaternary stratigraphy of the island, describes the tectonics of
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“Marine Terrace Evolution of Windward Barbados” revises the
$ $ $ $ $ $ $ $ $ $ $ $ $ $ $ emergence, and demonstrates that uplift rates vary by location.
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“Active Emergence, Chronology, and Limestone Facies in South-
eastern Windward Barbados” is the rst comprehensive study to
integrate marine erosion and deposition with tectonic uplift rates.
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Major ndings of this work are that Barbados’ Central Highlands
are an erosional remnant, and that terraces originated principally
by marine erosion rather than by reef construction.
SPE549, 126 p., ISBN 9780813725499
list price $60.00 | member price $42.00
By Robert C. Speed and Hai Cheng
Edited by Christine Speed, Richard Sedlock, and Lawrence Andreas
BUY ONLINE } rock.geosociety.org/store/
toll-free +1.800.472.1988 | +1.303.357.1000, option 3 | gsaservice@geosociety.org
www.geosociety.org/gsatoday 13