[1] Global Geopk Network Assoc, Musee Promenade, Haute Provence Geopk, 10 Montee Bernard Dellacasagrande,BP 156, F-04005 Digne Les Bains, France
[2] Univ Aegean, Dept Geog, Univ Hill, GR-81100 Mitilini, Greece
[3] China Univ Geosci, Geoheritage Res Ctr, Sch Earth Sci & Resources, Beijing 100083, Peoples R China
[4] Chinese Acad Geol Sci, Inst Geol, 26 Baiwanzhuang Rd, Beijing 100037, Peoples R China
[5] Univ Teknol Malaysia, Fac Civil Engn, Ctr Trop Geoengn, Skudai 80990, Johor, Malaysia
[6] English Riviera UNESCO Global Geopk, Floor 3 Roebuck House,Abbey Rd, Torquay, Devon, England
[7] Natl Inst Adv Ind Sci & Technol, Geol Survey Japan, 1-1-1 Higashi, Tsukuba, Ibaraki 3058567, Japan
[8] Welterbe Grube Messel gGmbH, Rossdorferstr 108, D-4409 Messel, Germany
[9] Gea Norveg Geopk, Porselensveien 6A, N-3920 Porsgrunn, Norway
[10] Vietnam Inst Geosci & Mineral Resouces, Km9 Thanh Xuan, Hanoi, Vietnam
[11] Reg Univ Cariri URCA, R Coronel Antonio Luiz 1161, BR-63105010 Crato, CE, Brazil
[12] Sect Earth Sci & Geohazards Risk Reduct, Div Ecol & Earth Sci, Nat Sci Sect, 7 Pl Fontenoy, F-75352 Paris 07, SP, France
[13] Basque Coast UNESCO Global Geopk, Ifar Kalea 3, Deba 20820, Spain
[14] Natl Res Inst Earth Sci & Disaster Resilience NIE, Tennodai 3-1, Tsukuba, Ibaraki 3050006, Japan
[15] Univ Tras Os Montes & Alto Douro, Dept Geol, UNESCO Chair Geopk Sustainable Reg Dev & Hlth Lif, P-5000801 Vila Real, Portugal
[16] Univ Tras Os Montes & Alto Douro, Pole Geosci Ctr CGeo, P-5000801 Vila Real, Portugal