Transport of Elements in the Yellowstone Hydrothermal System

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Presentation transcript:

Transport of Elements in the Yellowstone Hydrothermal System Selisa Rollins Mentor: Dr. Everett Shock School of Earth and Space Exploration

Silica on Mars Silica deposits dug up by the Spirit. Evidence of past microbial life. Hydrothermal vents are probable cause of silica enrichment. Figure 1 [1]

Why Yellowstone? Hydrothermal Systems: Excellent locations for abundant nutrient supply. Affect how rocks are altered. Harbor life and determine which microorganisms live where. Concentrations of SiO2 are detected in some areas.

Hot Spring Locations and Other Present Elements GOPA Lower Geyser Basin Sylvan Spring Washburn Elements: Antimony (Sb) Arsenic (As) Boron (B) Molybdenum (Mo) Tungsten (W)

Strong Correlations Sylvan Spring

Poor Correlations LGB

Complex Correlations GOPA

Observations and Summary Molybdenum Concentrations: Higher at GOPA Lower at LGB and Sylvan Springs Arsenic Concentrations Lower at GOPA Higher at LGB and Sylvan Springs Basic solutions present at lower elevations. Acidic solutions present at higher elevations.

Acknowledgements Dr. Everett Shock GEOPIG Lab: Tracy Lund Jeff Havig Mateo Hernandez Panjai Prapaipong

References [1] Astronomy Now Online: http://www.astronomynow.com/080522Spiritfindshotspring- likedepositsonMars.html [2] Squyres S W; Arvidson R E; Ruff S. Detection of silica-rich deposits on Mars. Science (New York, N.Y.) 2008; 320(5879): 1063-7.

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