Submitted on: 20 December 1999.
Revised on: 27 January 2000.
Accepted on: 10 February 2000.
NETHERLANDS JOURNAL OF GEOSCIENCES-GEOLOGIE EN MIJNBOUW
Submitted on: 21 June 2012.
Revised on: 02 July 2012.
Accepted on: 11 July 2012.
NETHERLANDS JOURNAL OF GEOSCIENCES-GEOLOGIE EN MIJNBOUW
Submitted on: 19 October 2014.
Revised on: 30 October 2014.
Accepted on: 04 November 2014.
NETHERLANDS JOURNAL OF GEOSCIENCES-GEOLOGIE EN MIJNBOUW
http://reply.papertrans.cn/3/229/22841/22841-14.png
Submitted on: 08 December 2000.
Revised on: 26 December 2000.
Accepted on: 31 December 2000.
NETHERLANDS JOURNAL OF GEOSCIENCES-GEOLOGIE EN MIJNBOUW
Submitted on: 01 March 2015.
Revised on: 10 April 2015.
Accepted on: 21 April 2015.
NETHERLANDS JOURNAL OF GEOSCIENCES-GEOLOGIE EN MIJNBOUW
Submitted on: 22 July 2009.
Revised on: 06 August 2009.
Accepted on: 18 August 2009.
NETHERLANDS JOURNAL OF GEOSCIENCES-GEOLOGIE EN MIJNBOUW
http://reply.papertrans.cn/3/229/22841/22841-18.png
Submitted on: 06 December 2012.
Revised on: 24 December 2012.
Accepted on: 19 January 2013.
NETHERLANDS JOURNAL OF GEOSCIENCES-GEOLOGIE EN MIJNBOUW
http://reply.papertrans.cn/3/229/22841/22841-20.png