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Showing 4058 abstract results for "volcano".

• MELILITE-BEARING LAPILLI FROM OLDOINYO LENGAI, TANZANIA:EVIDENCE OF CHANGING MINERALOGY WITHIN A SINGLE ERUPTION
  Kiel D. Finn
  2011 GSA Annual Meeting in Minneapolis (9–12 October 2011)
  October 9, 2011
• IS THE EASTERN ANATOLIAN HIGH PLATEAU A MODERN ANALOGUE FOR PALEOGENE TRANS-PECOS?
  John Charles White
  South-Central Section - 46th Annual Meeting (8–9 March 2012)
  March 7, 2012
• INTERPRETING CRYSTAL ZONATION PATTERNS AT MOUNT ST. HELENS
  Sarah Makin
  Northeastern Section - 47th Annual Meeting (18–20 March 2012)
  March 18, 2012
• GRANITE AS A GEOTHERMAL RESOURCE IN THE NORTHEAST
  J. Michael Rhodes
  Northeastern Section - 47th Annual Meeting (18–20 March 2012)
  March 18, 2012
• AN EAST-WEST TRANSECT THROUGH THE ANDES AT 36-38°S
  James E. Zareski
  Northeastern Section - 47th Annual Meeting (18–20 March 2012)
  March 18, 2012
• THE SAN PEDRO SUMMIT CALDERA, TEMASCALCINGO, MEXICO
  Jaime Roldan-Quintana
  Cordilleran Section - 108th Annual Meeting (29–31 March 2012)
  March 29, 2012
• EXPLOSIVE ERUPTION HISTORY AND STRUCTURE OF A LARGE SILICIC PIECEMEAL CALDERA: LOS HUMEROS, CENTRAL MEXICO
  Gerardo Carrasco-Núñez
  Cordilleran Section - 108th Annual Meeting (29–31 March 2012)
  March 29, 2012
• A MAFIC AND ULTRAMAFIC SUITE IN COASTAL GUERRERO, SOUTHERN MEXICO: EVIDENCE FOR AN EOCENE, EXTENSIONAL EPISODE RELATED TO THE RIFTING OF THE CHORTIS BLOCK?
  Annalisa Tunesi
  Cordilleran Section - 108th Annual Meeting (29–31 March 2012)
  March 29, 2012
• EARLY PLEISTOCENE LACUSTRINE SEQUENCES FROM THE VALSEQUILLO BASIN, CENTRAL MEXICO
  Silvia Irma Gonzalez
  Cordilleran Section - 108th Annual Meeting (29–31 March 2012)
  March 29, 2012
• GRABEN TYPE CALDERAS OF THE SIERRA MADRE OCCIDENTAL: POTENTIAL SITES FOR HYDROTHERMAL ORE DEPOSITS
  Gerardo J. Aguirre-Díaz
  Cordilleran Section - 108th Annual Meeting (29–31 March 2012)
  March 29, 2012
• GEOLOGY AND ALTERATION OF VOLCANICS HOSTING THE JURASSIC SAN NICOLÁS VHMS DEPOSIT (SOUTHERN ZACATECAS, MEXICO)
  L.F. Vassallo
  Cordilleran Section - 108th Annual Meeting (29–31 March 2012)
  March 29, 2012
• ANDESITIC VOLCANISM IN WESTERN MEXICO BY MELTING OF AMPHIBOLITIC MANTLE WEDGE PLUMES
  Arturo Gómez-Tuena
  Cordilleran Section - 108th Annual Meeting (29–31 March 2012)
  March 29, 2012
• FLANK COLLAPSE AND NEW RELATIVE INSTABILITY ANALYSIS TECHNIQUES APPLIED TO VOLCÁN DE COLIMA AND MT. ST. HELENS
  Lorenzo Borselli
  Cordilleran Section - 108th Annual Meeting (29–31 March 2012)
  March 29, 2012
• LAHAR DEPOSITS ON LA LUMBRE RAVINE RELATED TO THE GREAT 1913 PLINIAN ERUPTION OF VOLCAN DE COLIMA MEXICO
  L.A. Rodriguez-Sedano
  Cordilleran Section - 108th Annual Meeting (29–31 March 2012)
  March 29, 2012
• PALEOENVIRONMENTAL RECORD FROM TWO HIGH MOUNTAIN TROPICAL LAKES IN MEXICO
  Estela Cuna
  Cordilleran Section - 108th Annual Meeting (29–31 March 2012)
  March 29, 2012
• UNDERSTANDING THE MOUNT ST. HELENS MAGMATIC SYSTEM USING ZIRCON SURFACE GEOCHRONOLOGY AND GEOCHEMISTRY, 3D X-RAY TOMOGRAPHY, AND GLASS COMPOSITIONS
  Lily L. Claiborne
  Cordilleran Section - 108th Annual Meeting (29–31 March 2012)
  March 29, 2012
• THE GEOLOGY OF ICELAND: A BREVARD COLLEGE INTERNATIONAL FIELD TRIP, JULY 2010
  Jim Reynolds
  Southeastern Section - 61st Annual Meeting (1–2 April 2012)
  April 1, 2012
• BETTER UNDERSTANDING THE EARLY ERUPTIVE HISTORY OF MT. ST. HELENS THROUGH IMPROVED MICROANALYSIS OF TEPHRA GLASSES
  Joseph J. Pritt
  Southeastern Section - 61st Annual Meeting (1–2 April 2012)
  April 1, 2012
• WEB-WATCHING OF NATURAL GEO-PHENOMENA
  George Davis
  North-Central Section - 46th Annual Meeting (23–24 April 2012)
  April 23, 2012
• PREDICTED ASH HAZARDS FROM POTENTIAL ERUPTIONS AT NEVADO SABANCAYA, PERU: HYSPLIT AND REMOTE SENSING
  Andrew Jess Rankin
  North-Central Section - 46th Annual Meeting (23–24 April 2012)
  April 23, 2012
• INVESTIGATION OF THE INTERMEDIATE SYSTEMATICS OF FOSSIL INSECTS COLLECTED AT THE CLARE QUARRY SITE IN THE FLORISSANT FOSSIL BEDS FROM 1996 - PRESENT
  Joseph A. Cancellare
  Rocky Mountain Section - 64th Annual Meeting (9–11 May 2012)
  May 9, 2012
• INTEGRATED GEOLOGIC, GEOCHRONOLOGIC AND GEOPHYSICAL STUDIES OF THE NORTHEASTERN TAOS PLATEAU, NEW MEXICO, USA—NEW CONSTRAINTS ON THE EVOLUTION OF RIFT STRUCTURES, BASIN EVOLUTION, AND PLIOCENE VOLCANIC ERUPTION HISTORY
  R.a. Thompson
  Rocky Mountain Section - 64th Annual Meeting (9–11 May 2012)
  May 9, 2012
• COEVAL PERMIAN BENTONITES IN BRAZIL AND SOUTH AFRICA
  Nicholas E. Sylvest
  2012 GSA Annual Meeting in Charlotte
  November 4, 2012
• A TALE OF TWO LAKES: POISONOUS FLUIDS THAT FUEL LIFE IN THE NEWBERRY, OR, CRATER LAKES
  Johan C. Varekamp
  2012 GSA Annual Meeting in Charlotte
  November 4, 2012
• PETROCHEMISTRY OF THE CUMAOVASI VOLCANICS; IMPLICATIONS FOR EXTENSION RELATED SILICIC VOLCANISM IN THE WEST-CENTRAL ANATOLIA, TURKEY
  Zekiye Karacik
  2012 GSA Annual Meeting in Charlotte
  November 4, 2012