Brazil:

Germano Melo Jr.
Geology Department,
Federal University at Rio Grande do Norte State,
59072-970 Natal,
RN, Brazil
Email: germano@geologia.ufrn.br

Chile:

Brian K. Townley
Department of Geology
University of Chile
Plaza Ercilla 803
Santiago
CHILE
Phone: 56 2 678 4534
Fax: 6 2 696 3050
Email: btownley@cec.uchile.cl

China:

Xueqiu Wang
Chief Geochemist
Inst. of Geophys. & Geochem. Expl.
84 Jinguang Rd.
Langfang, HEBEI
065000
Phone: 86 316 2212721
Fax: 86 316 2212744
Email: xqwang@public.lfptt.he.cn

United Kingdom and Republic of Ireland:

Ms. Deirdre M.A. Flight
Geochemist
Geological Survey of Northern Ireland
20 College Gardens
Belfast, NORTHERN IRELAND
UNITED KINGDOM
Phone: 44 1232 666595
Fax: 44 1232 662835 Email: d.flight@bgs.ac.uk

Northern Europe:

J. B. De Smeth
Singelstraat 3
Delft
NETHERLANDS 2613 EM
Phone 31 15 274 8847
Fax 31 15 262 3961
Email: j.b.desmeth@TA.tudelft.nl

Southern Europe:

Benedetto de Vivo
Dipt. di Geofisica e Vulcanologia
Univ. di Napoli "Federico II"
Via Mezzocannone 8
Napoli
ITALY 80134
Phone 390 81 253 5065
Fax 390 81 253 5070
Email bdevivo@unina.it

Southern Africa:

Theophilus Davies
Department of Geology and Mining
University of Jos
Bauchi Road
Jos, Plateau State
NIGERIA PMB 2084
Phone: 234 80 52 16 52 70
Fax: 234 73 45 64 69
Email: daviestheo@hotmail.com

Southeast Asia:

Iftikhar A. Malik
H.No.1596
St. 40
Sector 1-10/2
Islamabad
PAKISTAN
Phone: 92 51 435 841
Email: iamalik@isb.perd.net.pk