Browsing by Subject "Ecuador"

Browsing by Subject "Ecuador"

Sort by: Order: Results:

  • Clays and Clay Minerals, Vol. 57, No. 1, 72–81, 2009. 
    Kaufhold, Stephan; Kaufhold, Annette; Jahn, Reinhold; Brito, Salomon; Dohrmann, Reiner; Hoffmann, Rainer; Gliemann, Hartmut; Weidler, Peter; Frechen, Manfred (The Clay Minerals Society, 2009)
    In Ecuador, DINAGE (known today as the Servicio Geolo´gico Nacional) and the German Federal Institute for Geosciences and Natural Resources have discovered a huge allophane deposit covering an area of >4000 km2. This study ...
  • Clays and Clay Minerals, Vol. 58, No. 5, 707–716, 2010. 
    Kaufhold, Stephan; Ufer, Kristian; Kaufhold, Annette; Stucki, Joseph W.; Anastacio, Alexandre S.; Jahn, Reinhold; Dohrmann, Reiner (The Clay Minerals SocietyThe Clay Minerals Society, 2010)
    Allophane is a very fine-grained clay mineral which is especially common in Andosols. Its importance in soils derives from its large reactive surface area. Owing to its short-range order, allophane cannot be quantified by ...