Updated 17 July 2017

Chapter Leader: Laura Ruhl, 309 Fribourgh Hall, 2801 S. University Ave., University of Arkansas at Little Rock, Little Rock, AR 72204, USA

Chapter Treasurer/Secretary: Alex Eisen-Cuadra

The USA IMGA Local Chapter was established and approved by the IMGA Board in February 2012. On April 25, 2012, IMGA Chairman José Centeno presented an invited seminar on Medical Geology at the Department of Earth Sciences, Duke University. During this activity, the USA Chapter on Medical Geology was officially awarded its IMGA Chapter Certificate. The Certificate was received by Brittany Merola, Chairperson of the USA Chapter on Medical Geology.

With a current membership of over 20 active members, the USA Chapter has been continuously expanding its research and outreach activities. The Chapter was actively involved in the MEDGEO 2013 - 5th International Conference on Medical Geology held in Washington, DC.

June 2017

No update. 

December 2016

No update. 


6-month report from Local Chapter Leader Dr Laura Ruhl:

The US chapter will hold elections for chapter officer positions in July/August 2015. Any member interested in holding an office (must be a paid member), please contact Laura Ruhl at

The US chapter hosted a technical session at the Association of Applied Geochemistry’s 27th International Applied Geochemistry Symposium in April 2015 in Tucson, Arizona. There were two sessions consisting of seven speakers with Lynda Williams of Arizona State University as the keynote speaker of the session, with a presentation on antibacterial clays. The other presentations covered topics such as Medical Geology (Laura Ruhl), Water Quality effects from Mining (Will Ketcheside), As and Mn occurrence in the Begal Delta (Saugata Datta), As in groundwater in the Mekong Delta (Brittany Merola), Columbian anti-bacterial clays (Sandra Carolina Londono), and antibacterial activity of clays (Keith Morrison). The session was a great success with many attendees, much discussion, and lots of interest in medical geology issues. More information about the symposium can be found here: and in the announcement below.

The Association of Applied Geochemistry
27th International Applied Geochemistry Symposium
April 2015, Tucson Arizona

The IAGS will consist of strong technical program including: 5 field trips (pre-symposium), 6 one-day short courses, 7 key-note speakers, plus 11 technical sessions with a total of 88 speakers covering many topics of interest to attendees (including Medical Geology). There are plenty of planned social events including: Sunday Ice-Breaker, Lunch provided in a common area each day of the symposium (MTTF), Tuesday evening Distinguished Lecturer, Wednesday (all day) Social Programs and short Field Trips (designed for attendees and accompanying persons), Thursday evening AAG Awards / IAGS Dinner, plus partner events throughout the week.

The US chapter will host a Medical Geology technical session at the International Applied Geochemistry Symposium in Tucson, AZ from April 20-24, 2015, which is put on by the Association of Applied Geochemists (AAG).