portrait

Chiricahua Mountains with Dragoon Mountains in background


Location: Echo Canyon Trailhead - Chiricahua National Monument, near Wilcox, AZ
Year: 2002
Merckslides catalogue number: 10(06)-17586
Comments:

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portrait

Chiricahua Mountains with Dragoon Mountains in background


Location: Echo Canyon Trailhead - Chiricahua National Monument, near Wilcox, AZ
Year: 2002
Merckslides catalogue number: 10(06)-17733
Comments:

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portrait

Chiricahua Mountains with Dragoon Mountains in background


Location: Echo Canyon Trailhead - Chiricahua National Monument, near Wilcox, AZ
Year: 2007
Merckslides catalogue number: 25(06)-23973
Comments:

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portrait

Chiricahua Mountains with Dragoon Mountains in background


Location: Echo Canyon Trailhead - Chiricahua National Monument, near Wilcox, AZ
Year: 2007
Merckslides catalogue number: 25(06)-23974
Comments:

More


portrait

Chiricahua Mountains with Dragoon Mountains in background


Location: Echo Canyon Trailhead - Chiricahua National Monument, near Wilcox, AZ
Year: 2007
Merckslides catalogue number: 25(06)-23975
Comments:

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portrait

Columns on Echo Canyon Trail


Location: Echo Canyon Trail - Chiricahua National Monument, near Wilcox, AZ
Year: 2003
Merckslides catalogue number: 11(06)-18019
Comments:

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portrait

Columns on Echo Canyon Trail


Location: Echo Canyon Trail - Chiricahua National Monument, near Wilcox, AZ
Year: 2003
Merckslides catalogue number: 11(06)-18018
Comments:

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portrait

Chiricahua Mountain Spires


Location: Echo Canyon Trail - Chiricahua National Monument, near Wilcox, AZ
Year: 2007
Merckslides catalogue number: 25(06)-23993
Comments:

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portrait

Chiricahua Mountain Spires


Location: Echo Canyon Trail - Chiricahua National Monument, near Wilcox, AZ
Year: 2007
Merckslides catalogue number: 25(06)-24002
Comments:

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portrait

Leaf and foam on still pool


Location: Echo Canyon Rhyolite Canyon Trail junction - Chiricahua National Monument, near Wilcox, AZ
Year: 2003
Merckslides catalogue number: 11(06)-18028
Comments:

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portrait

Volcanic "hailstones"


Location: Hailstone Trail - Chiricahua National Monument, near Wilcox, AZ
Year: 2007
Merckslides catalogue number: 25(06)-24001
Comments: These are a little geological oddity that have just become timely. Odd concretions (?) in rhyolitic tuff. The interesting thing is their close resemblance to the spherules weathering out of the bedrock at the Opportunity landing site in Meridiani Planum on Mars, that have planetary geologists so exercised. You heard it here first, the Meridiani bedrock is pyroclastic! (JM 2-28-04.) OK, it appears that I was wrong. The weight of evidence is that the Meridiani concretions are in-situ precipitates. Sue me. (JM 12-11-05)

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portrait

Rhyolitic tuff with conspicuous compressed lapilli


Location: Rhyolite Canyon Trail - Chiricahua National Monument, near Wilcox, AZ
Year: 2002
Merckslides catalogue number: 10(06)-16861
Comments:

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