Submitted on: 14 December 2017.
Revised on: 07 February 2018.
Accepted on: 30 March 2018.
___________________JOURNAL OF SOUTH AMERICAN EARTH SCIENCES
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Submitted on: 28 May 2022.
Revised on: 03 August 2022.
Accepted on: 05 September 2022.
___________________JOURNAL OF SOUTH AMERICAN EARTH SCIENCES
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Submitted on: 11 November 2002.
Revised on: 06 February 2003.
Accepted on: 26 February 2003.
___________________JOURNAL OF SOUTH AMERICAN EARTH SCIENCES
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Submitted on: 31 March 2006.
Revised on: 21 June 2006.
Accepted on: 11 July 2006.
___________________JOURNAL OF SOUTH AMERICAN EARTH SCIENCES
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Submitted on: 10 March 2020.
Revised on: 13 June 2020.
Accepted on: 27 June 2020.
___________________JOURNAL OF SOUTH AMERICAN EARTH SCIENCES