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Special Paper 550

Large Meteorite Impacts and
Planetary Evolution VI Large Meteorite Impacts and Planetary
Evolution VI

Edited by Wolf Uwe Reimold and Christian Koeberl
This volume represents the proceedings of the homonymous international conference
on all aspects of impact cratering and planetary science, which was held in October
2019 in Brasília, Brazil. The volume contains a sizable suite of contributions dealing
IN with regional impact records (Australia, Sweden), impact craters and impactites,
early Archean impacts and geophysical characteristics of impact structures, shock
PRESS metamorphic investigations, post‑impact hydrothermalism, and structural geology and
Planetary Evolution VI
morphometry of impact structures—on Earth and Mars. Many contributions report
Large Meteorite Impacts and
results from state‑of‑the‑art investigations, for example, several that are based on
Edited by Wolf Uwe Reimold and Christian Koeberl
electron backscatter diffraction studies, and deal with new potential chronometers and
Special Paper 550
shock barometers (e.g., apatite). Established impact cratering workers and newcomers
to this field will both appreciate this multifaceted, multidisciplinary collection of impact
SPE550, 642 p., cratering studies.
ISBN 9780813725505
IN PRESS

Memoir 219
PROVIDENCIA ISLAND: A Miocene Memoir 219

Stratovolcano on the Lower Nicaraguan Rise, PROVIDENCIA ISLAND

Western Caribbean—A Geological Enigma A Miocene Stratovolcano on the Lower Nicaraguan Rise,
Western Caribbean— A Geological Enigma Resolved
Resolved

By Alan L. Smith, M. John Roobol, Glen S. Mattioli, George E. Daly,
and Joan E. Fryxell IN
Providencia is the only example of subaerial volcanism on the Lower Nicaraguan PRESS
Rise. In this volume, the authors examine this volcanism and the geological history
of the western Caribbean and the Lower Nicaraguan Rise, whose origin and role in
the development of the Caribbean plate has been described as enigmatic and poorly By Alan L. Smith, M. John Roobol, Glen S. Mattioli, George E. Daly, and Joan E. Fryxell
understood. While the Providencia alkaline suite is similar to others within the Western
Caribbean Alkaline Province, its subalkaline suite is unique, having no equivalent within
the province. In order to unravel its complex history and evolution, this volume presents MWR219, 101 p.,
new and previously published results for the geology, geochemistry, petrology, and isotopic
ages from the Providencia island group. ISBN 9780813712192
IN PRESS

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