1405-3322 1405-3322 S1405-33222019000200321 10.18268/bsgm2019v71n2a6 Spain Spain Spain Spain Spain Spain Mexico United Kingdom 00 00 2019 00 00 2019 71 2 321 342

2006 38 429-52 1978 13-14 7-14 2009 5 141-60 1991 1979 14 242-70 1985 303-18 1985 1983 Madrid, Spain 99-106 1989 1996 24 57-69 2015 419-30 1994 6 3-5 1861 12 401-85 2001 27-41 1991 279-89 2009 5 161-76 2010 4 247-62 2009 4 171-81 2016 429 10-20 1994 51 149-58 1996 53 59-71 1991 Zaragoza, Spain 825-36 1974 85 32-42 1987 11 141-69 1987 11 171-97 2004 10 71-7 1994 105 444-53 2003 268 295-301 1974 85 430-5 1983 36 83-96 1985 40 65-86 1992 7 9-27 1993 3 41-52 1993 715-8 1994 105 18-25 2013 60 26-48 2016 126 39-49 2019 71 229-53 2013 56 56-7 2006 127B 70-80 1997 1991 16 75-83 1990 25 141-68 1996 33-57 1984 121 413-20 Instituto Geológico y Minero de España 1976 Instituto Geológico y Minero de España 1976 1981 171 1990 25 3-12 1990 25 13-21 1985 20 199-207 2009 120 7-16 2016 126 9-23 1999 83 1795-834 1905 5 1-8 1990 441 1975 3 89-100 1881 487 1988 446-53 1997 323-32 2007 59 1995 42 749-68 1999 63 1995 223 2007 146 247-64 2000 12 581-8 1987 3 345 2014 25 227-60 1994 51 95-109 2002 36 122-31 1988 23 197-207 2017 149 474-90 1983 78 1657-73 1987 2 208-9 1992 205 2002 115-29 1984 1986 6 203 1989 96 13-24 1990 17 275-85 1958 69 858