1390-1249 1390-1249 S1390-12492020000300095 10.17141/iconos.68.2020.4310 Brasil Brasil 00 12 2020 00 12 2020 68 95 113

2011 2019 1994 2000 120 7/9 7/9 69-86 1987 1990 110 1/3 1/3 13-42 2015 1 2 2 131-50 2015 2013 2016 2007 1997 34 7-28 1996 32 7-26 2003 1996 133 5-12 2007 2001 2008 23 23 39-50 2000 42 3 3 143-70 1993 26 85-8 1980 1996 133 5-10 2013 2015 1 27 27 161-76 1998 118 4/6 4/6 117-32 2007 5 1 1 1-11 2000 2008 11 303-26 Serviço Geológico do Brasil 2020 2000 2016 9 3 3 225-38 1997 117 7/9 7/9 87-120 1999 136 4-8 2019 2019 2019 2019 2019 2020