Y. P. Goyes Perm State University, 15 Bukireva Str., Perm 614990, Russia Colombia
MSc Student, Geological Faculty of the Perm State University
S. Khurama School of Geology, Santander Industrial University, Cra 27 Calle 9 Ciudad Universitaria, Bucaramanga, Santander 680002 Colombia Colombia
Headmaster of the Geology School
G. Reina School of Geology, Santander Industrial University, Cra 27 Calle 9 Ciudad Universitaria, Bucaramanga, Santander 680002 Colombia Colombia
student of the Geology School
G. Jimenez Research Group in Basic and Applied Geology (GIGBA), Santander Industrial University, Cra 27 Calle 9 Ciudad Universitaria, Bucaramanga, Santander 680002, Colombia Colombia
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