---

Activity

2009

• ORIGIN OF THE LOW δ18O SILICIC IGNIMBRITES ASSOCIATED WITH THE GUACHIPELÍN CALDERA, NW COSTA RICA
  32 Central American Volcanism - A Tribute to Bill Rose (Posters)
  Friday, 3 April 2009

  1:00 PM - 5:00 PM

---

2005

• PETROGENESIS OF DISTINCT SILICIC MAGMA TYPES FROM THE LOWER PLEISTOCENE GUACHIPELIN CALDERA, NW COSTA RICA: EXTENSIVE MAGMA MIXING AND PROTRACTED SUBVOLCANIC RESIDENCE
  135 Petrology, Igneous
  Tuesday, 18 October 2005

  8:00 AM - 12:00 PM
• GEOCHEMICAL HISTORY OF THE TELICA VOLCANIC COMPLEX, NICARAGUAN VOLCANIC FRONT: IMPLICATIONS OF NEW DATA
  22 Evolution of Crustal Melts & Mineral Deposits (Posters)
  Thursday, 19 May 2005

  1:20 PM - 5:20 PM

---

2003

• RARE EARTH ELEMENTS IN WATERSHED MASS BALANCE CALCULATIONS OF PRIMARY MINERAL WEATHERING RATES AND CLAY GENESIS RATES AT THE COWEETA HYDROLOGIC LABORATORY, WESTERN NORTH CAROLINA, USA
  T209 Watershed-Based Research and Education: The State of the Science
  Wednesday, 5 November 2003

  8:00 AM - 12:00 PM

---

2002

• USING SPATIAL AND TEMPORAL PATTERNS OF METAL DEPOSITION TO INLAND LAKES TO DIFFERENTIATE SOURCES
  T197 Sources, Transport, Fate, and Toxicology of Trace Elements in the Environment II: A Tribute to Gunter Faure
  Wednesday, 30 October 2002

  8:00 AM - 12:00 PM

---

Date Unknown

• COMPARISON OF PHYSICAL AND GEOCHEMICAL CHARACTERISTICS IN TWO PALEOSOLS IN LAWRENCE LIVERMORE NATIONAL LABORATORY ALLUVIAL DEPOSITS
  86 Quaternary Geology/Geomorphology (Posters) I: Lakes, Dunes, Soils, and Tectonics
• SILICIC IGNIMBRITES OF NICARAGUA AND COSTA RICA: OXYGEN ISOTOPE CONSTRAINTS ON THE SOURCE OF SILICIC MAGMAS
  183 Volcanology (Posters)