MSGID: 1:317/3 62cdb6e5   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
    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.   
      
      
    Varvite Park in Brazil   
      
      July 12, 2022   
      
       1   
      
      Photographer:  Monikeli Wippel   
      
      Summary Author:  Monikeli Wippel   
      
       Varvite Park is a geological monument in the town of Itu – located   
      about 60 miles (95 km) northeast São Paulo, Brazil. The artificial rock   
      outcrops in an abandon quarry are the result of mining activity dating   
      back to the early 18th century. Following many years of mining, this   
      area was converted into a municipal park in 1995 and now represents a   
      milestone in the protection and valuing of  geoheritage in Brazil.   
      
      The photo above shows a  varvite present in the park. Varvite is a   
      name used by geologists to designate a kind of sedimentary rock formed   
      by the repetitive succession of pairs of layers or  laminas   
      deposited over the years. The name "varvite" is derived from the word   
      “ varve” of Swedish origin. It is generally used to designate   
      rhythmic sedimentary seasonal deposits, which said another way means   
      they are controlled by how the deposits formed based on variation in   
      weather throughout the year. The most known type of varve is   
      represented by laminas or layers of sediments in fractions of  sand,   
      silt, and clay. Photo taken on April 22, 2022.   
      
      Photo details: Moto G9, f/1.7, ISO-100, 1/897 second exposure   
        * Varvite Park, Brazil Coordinates: -23.2636, -47.3011   
      
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      Layers Following Wildfires  Timpa Nature Reserve of Acireale   
       Archive - Inside Kawah Ijen's Crater   
       More...   
      
   Geology Links   
      
        *  Earthquakes   
        *  Geologic Time   
        *  Geomagnetism   
        *  General Dictionary of Geology   
        *  Mineral and Locality Database   
        *  Mohs Scale of Mineral Hardness   
        *  This Dynamic Earth   
        *  USGS   
        *  MyShake - University of California, Berkeley   
        *  USGS Ask a Geologist   
        *  USGS/NPS Geologic Glossary   
        *  USGS Volcano Hazards Program   
      
   -   
      Earth Science Picture of the Day is a service of the  Universities   
      Space Research Association.   
      
   https://epod.usra.edu   
       
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