0120-3630 0120-3630 S0120-36302024000100056 10.15446/rbct.n55.112656 Ecuador Ecuador Ecuador 00 06 2024 00 06 2024 55 56 73

[1] 1983 91 6 6 611-27 [2] 1997 113 1-2 1-2 111-24 [3] 2011 61 2 2 142-59 [4] 1993 21 [5] 2017 1 123-53 [6] 2019 10 1 1 91-118 [7] 1986 92 2 2 181-93 [8] 1985 [9] 2019 209-36 [10] 2021 90 1 1 77-101 [11] 2005 19 1 1 5-19 [12] 2021 43 3 3 15-34 [13] 1953 37 10 10 2303-47 [14] 1990 50 1 1 89-117 [15] 2019 237-68 [16] 2021 204 103555 103555 1-26 [17] 1997 164 [18] 2019 2 1 1 9-23 [19] 2002 23 6 6 845-59 [20] 1999 168-71 [21] 2010 5th 61-88 [22] 2023 [23] 2021 4 1 1 38-50 [24] 2000 84 5 5 652-82 [25] 2009 28 2 2 180-92 [26] 2023 45 1 1 119-39 [27] Instituto Nacional de Investigación Geológico Minero - INIGEMM 2017 [28] 2019 2 2 2 2-13 [29] 2006 249 3-4 3-4 400-14 [30] 2002 345 1-4 1-4 281-98 [31] 1980 [32] 2012 [33] 2022 32 2 2 15-32 [34] 2013 90 11 11 2147-51 [35] 2012 45 12 12 537-1556 [36] 2015 257 [37] 2012 [38] 2007 58 1 1 1037-72 [39] 1970 13 4 4 937-68 [40] 1984 48 7 7 1523-34 [41] 1995 33 3 3 267-309 [42] 2012 72 3 3 253-60 [43] 2006 40 2 2 197-209 [44] 1988 58 5 5 820-9 [45] 1972 294-326 [46] 2021 1-12 [47] 2016 44 3 3 203-6 [48] 1983 94 2 2 222-35 [49] 1949 135 [50] Instituto Ecuatoriano de Minería - INEMIN 1989 15 [51] 1998 [52] 2006 [53] 2002 565-8 [54] 1988 67 1-2 1-2 119-139. [55] 1994 90 3-4 3-4 241-56 [56] 2011 237 3-4 3-4 150-65 [57] 2007 12 4 4 65-96 [58] 1984 31 1 1 83-9 [59] 1985 93 1 1 85-7 [60] 2007 55 4 4 320-36 [61] 1986 56 3 3 329-45 [62] 2005 399 1-4 1-4 195-220