Lect6 Rivkin Hydrated Minerals (10-08-09)

Lect6 Rivkin Hydrated Minerals (10-08-09) - Hydrated...

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Hydrated Minerals in Asteroids
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OUTLINE 1. Introduction 2. Hydrated Minerals in Meteorites 3. Astronomical Observations 4. Results for Asteroid Classes 5. Connections and Variability of 0.7 and 3 μ m Absorptions 6. Alternative Interpretations 7. Open Questions and Future Work 8. Big Picture in Water Colors The 3 μ m Region and Hydration in Asteroids What was expected What was observed What does it mean?
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2. Hydrated Minerals in Meteorites 1. Provenance of Hydrated Minerals in Meteorites : Mostly among carbonaceous chondrites, typically 5- 15% water by weight as much as 20%. Q: What would be the wt% of water in the parent asteroid? 2. Nebula (possibly), Parent Body (yes), or Preaccretional (maybe) 3. Fluid Inclusions : Interesting in meteorites but not detectable with remote sensing of asteroids. 4. Met. Spectrosc. in 3- μ m Region : Adsorbed telluric water is a problem. Best match to large C-type asteroids are thermally metamorphosed CI/CM
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3. Astron. Observations 1. IR Wavelength Observ
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This note was uploaded on 11/09/2009 for the course AST 4142 taught by Professor Campins during the Fall '09 term at University of Central Florida.

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Lect6 Rivkin Hydrated Minerals (10-08-09) - Hydrated...

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