54Excursion t o t he M ont e R os a Nappe18 to 23 Sept ember, 2ooo......Programme:Monday, 18 September:Travel to Ta s eh north of Zermatt. Meeting point: Tasch railway station. Travelto Zermatt and, by rack-railway, to Riffelberg,at 2566 m elevation.Dinner and overnight stay at HotelRiffelberg.Tuesday, 19 SeptemberLeaders:Ni ko Froitzheim and Julia Kramer.Geology of the Gornergrat- Stockchnubelarea. By rack-railway to Gornergrat(3090 m), followed by cablecarfrom Gornergrat to Stockhorn(3405 m). Ca. 3 h ou r wai k from Stock-1- horn to Stockchnubel (3047 m) andw>then along the southern si de of Gornergratto Rotenboden (2815 m). Byrack-railway to Zermatt, followed by atransferto Saas Grund.Dinner and overnight stay at SaasGrund.Wednesday, 20 SeptemberLeaders:Ni ko Froitzheim and J u lia Kramer.Morning: Geology ofthe Furgg Zonebelow the Alia lin glacier at Mattmark.Afternoon: Transfer to the southernside of Monte Rasa via Visp- Martigny- Grd-St-Bernard- Aosta- VerresChampoluc, upper Ayas valley. Shortintroduction to regional geology.Dinner and overnight stay at HotelFavre, Champoluc.Thursday, 21 SeptemberLeaders:Giorgio V. Dai Piaz, Larryn Diamond,Andrea Bistacchi, Matteo Massironi.Arcesa-Brusson (Monte Rasa) window,Aosta-Ranzola and Ospizio Sottile extensionalfault systems, Oligocenegold-bearing quartz veins, listveniticalteration of serpentinitic fault brecciasand lamprophyric dykes acrossthe Arcesa-Brusson dame (Monte Rasabasement) and overlying ophiolites.Dinner and overnight stay at HotelFavre, Champoluc (o r at Capanna Mezzalama,2-hour wai k, depending onweather and local facilities).Friday, 22 SeptemberLeaders:Giorgio V. Dai Piaz, Antonio Guermani.Geology of the Verra a m phitheatre:· long wolk across the Monte Rasa basementfrom high to low strain domains,Furgg Zone and overlying ZermattSaas ophiolite.Dinner and overnight stay at HotelFavre, Champoluc.Saturday, 23 SeptemberTravel home.Excursion fee:Fees are dependent on whether participantshave a Swiss Half Fare Card(SHFC) or not: SFr. s6o.-/ 6oo.with/without SH FC.
55Monte Ro sa viewed jrom Cornergrat(from P. Bearth: Monte Rasa; Beitr. z. Ceol. Karte d er Schweiz, N. F.,96 Liefg., 1952, Taje/1)2o......QThese prices include: Train, rac k-railwayand cable-car in the Zermatt area;minibus during 6 days; 5 overnightstays (half board); excursion handouts.Not included a re: Travel to the meetingplace Tasch an d travel home fromthe Ayas valley. However, it is possibleto join a minibus for both the travel toTasch and the travel home.Deadline for registration:15 J u ne 2000Prepayment o f excursion fee:Basler KantonalbankCH-4002 BaselPC -Konto 40-61-4l n favou r of :Account number 42.073.073.70Mineralogisches lnstitutBernoullistrasse 304056 BaselRegistration and Jnjormation:Martin Frey, MineralogischPetrographisches lnstitutUniversitat BaselBernoul li strasse 304056 Base lfax: 061-267 2881e-mai l: Martin.Frey@unibas.chThe Excursion is convened by:The Swiss Geologi cal SocietyThe Swiss Mineralogical and PetrographicalSociety"" ...v