 EPOD - a service of USRA

The Earth Science Picture of the Day (EPOD) highlights the diverse processes
and phenomena which shape our planet and our lives. EPOD will collect and
archive photos, imagery, graphics, and artwork with short explanatory
captions and links exemplifying features within the Earth system. The
community is invited to contribute digital imagery, short captions and
relevant links.


 Quebrada de las Conchas Nature Reserve

   December 02, 2021

    13(1)

   Photographer:  Carlos Di Nallo

   Summary Author:  Carlos Di Nallo;  Cadan Cummings

   The photo above features the  Quebrada de las Conchas- also called
   the Quebrada de Cafayate- nature reserve located in the province of
    Salta in  Argentina. The roughly 96 square mile (25,000 hectare)
   reserve within the  Calchaquíes Valleys is important to the fields
   of geology and paleontology as some of its features date back to the
    Cretaceous period. The ravine shown in the foreground of the photo
   is a landscape produced by  tectonic activity that took place in the
   last two million years. The geology of the region was also largely
   shaped by tectonics combined with subsequent  weathering and
   erosion. Numerous fossils continue to be discovered within the reserve
   including fossilized frogs, fish, and  stromatolites. A recent
   discovery that adds to the cultural and archaeological significance of
   the area was the  Inca Trail passed near to what is now  Route 68
   in the nature reserve.
     * Quebrada de Cafayate, Salta, Argentina Coordinates: -26.005278,
       -65.798889

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Geology Links

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     *  Geologic Time
     *  Geomagnetism
     *  General Dictionary of Geology
     *  Mineral and Locality Database
     *  Mohs Scale of Mineral Hardness
     *  This Dynamic Earth
     *  USGS
     *  USGS Ask a Geologist
     *  USGS/NPS Geologic Glossary
     *  USGS Volcano Hazards Program

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