Global Karst Correlation with Color Photos(Explanations)

 

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  Glaciation striation on dolomite pavement, near Cyprus Lake, Bruce Peninsula, Canada.
  (B299_37 86KB)  
     
  Tufa deposit on the bottom of Cyprus Lake, fed by a karst spring, Bruce Peninsula, Canada.
  (B299_38 55KB)  
     
  Glacial pavement and grikes on Silurian dolomite, near Lion Head, Bruce Peninsula, Canada, with forest rehabilitated on bare rocks during the past 60 years.
  (B299_39 84KB)  
     
  A CO2 geyser well at the Ferrarelle Mineral Water field, Central Italy.
  (B299_40 33KB)  
     
  Giant swallow-tail twin gypsum on the entrance of Spipola Cave, Bologna, Italy. The cave is totally under the Miocene gypsum bed, but there are many calcite speleothem in it as a result of incongruent dissolution.
  (B299_41 79KB)  
     
  Frost denudation limestone pinnacles on Triassic dolomitic limestone slope, north of Bassano, northern Italy. It resembles those of Huanglong Ravine (photo 14), or Beijing suburb (photo 18) from points of both morphology or origin.
  (B299_42 49KB)  
     
  Glacial pavement on Triassic dolomitic limestone at Southern Alps, Rifugio Sennes, Northern Italy, similar with those of Canada (photo 39) or UK (photo 45), but originated from mountain glaciation rather than continental ice sheet.
  (B299_43 79KB)  
     
  Chalk quarry at Playhatch, near Reading, UK, with chert beds being seen on the quarry wall, but very few karst feature on this deep fresh exposure.
  (B299_44 72KB)  
     
  Glacial pavement on Carboniferous limestone, great Asby Scar Nature Preserve, Cumbria, UK.
  (B299_45 69KB)  
     
  deep sharp karren on the glacial pavement, Great Asby Scar Nature Preserve, Cumbria, UK.
  (B299_46 80KB)  
     
  Abundant unique speleothem in Fairy Cave, Buchan Karst, Victoria, Australia.
  (B299_47 71KB)  
     
  Sedimentary structure of a 1.22m high stalagmite taken from Panlong Cave, Guilin, China. Environmental change course of the past 36,000 years was reconstructed with the section. Big trapezium holes: sampling points for C14 dating; small rectangular holes: AMSC14 dating sampling points; small round holes: stable isotopic sampling points.
  (B299_48 46KB)  

 


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Editor: Liu Zaihua . Last revision: April 6,1998
Supervisor:
YUAN Daoxian.
Webeditors: HU Jinkun / PAN Dingyu.
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Copyright to IGCP-379 ,1995-1999.
Copyright to Network Center of Guangxi Normal University, 1995,1996,1997,1998.