1. Instituto de Ciencias de la Tierra “Jaume Almera”; Consejo Superior de Investigaciones Científicas; Barcelona; Spain
2. Department of Earth Sciences; Uppsala University; Uppsala; Sweden
3. Committee for Infrastructure/General Director's Office; Swedish Research Council; Stockholm; Sweden
4. Bazhenov Geophysical Expedition; Urals Geological Survey Expedition; Scheelite; Russia
5. Ufimian Geoscience Centre; Russian Academy of Scienes; Ufa; Russia
6. Urals Geological Survey Expedition; Ekaterinburg; Russia