TMMOBABSTRACT: The Emet borate deposits are shown to be older and mineral - ogically more complem than was previously ihoughtj and to have formed within the muds of play a lakes during the Middle Oligocène. The borate minerals formed in two geochemically distinct sedimentary basinsj and are inierbedded with mmls^ volcanic tuffs and days? which appear to have been derived mostly from a volcanic terrain. Oolemanite predominates^ but other borates include meyerhofferiteß ulemiteß iunellite; teruggite, cahnite? hydroboraci « te and a form of veatchite. Calcitej gyp - sum; celesiiie* native sulphurj realgar and orpiment are the principal non-borates* The genesis of colemanite is problematicaL Evidence form elsewhere suggests that it may form by replacement of uleoeite or by dehydration of inyoite after burial. At Emetß no field evidence has been found which unambiguously supports either mode of formation. Later generations of colemanite occur in vughs and veins j and as fibrous margins to colemanite nodules. Other diageneiic changes include the par- Hal replacement of colemanite is often almost completely replaced by caleiie. Reserves are ample, but the presence of arsenic in both the sulphide and borate phases can present problems during mine* ml processing.
Leakage Study of the West Side of the
Manavgat - Oymapınar
Dam Reservoir
Manavgat
Lake Area
Impermeability
Oymapınar
ALTUĞ, S,, 1967, Progressive Report on the Engineering Geology of Manavgat - Oymapmar Arch bamstte: ill Ankara
ALTUĞ, S,, 1969, Batı Toroslarda Tektonik île Karstlaşma arasındaki ilgiye bir örnek, Manavgat . Oymapınar baraj yeri, TJK Bülteni, cilt XH, sayı 1-2.
ALTUĞ, S., 1971, Manavgat - Oymapınar Rezervuarındaki Mesozoyik Birimlerin Stratigrafisi, EİE, 71-39,. Ankara,
ALTUG, S,, 1976, Leakage Study of the West Side of the Oymapmar Reservoir, Turkey: Bulletin of the International Association of Engineering Geology, No, 14, 147-152, Krefeld
ALTUG, S.,- Tan, Y,, 1978, Manavgat - Oymanıra Project - Arch Damsite, Adit GTR. 35, Report on the Grouting Tests: EÎE, Ankara
ALTUG, A,, 1975 Oymapmar barajı batı yakası dofal şeddeler araştırma alanı fotojeoloji raporu: DSÎ, Yeraltısuları Dairesi, Ankara,
AYGEN, T,, 1967, Manavgat - Oymapmar (Huma) Kemer Barajı ile Beyşehir - Sufîı Gölü, Manavgat Çayı Havzasının Jeolojik, Hidrojeolojik ve Karstik Etüdü m.îM
BLTJMENTHAL, M, 1951, Recherches géologiques dans le Taurus occidental dams rarriere pays d` Alanya, MTA, Ankara,
CHABERT, C, AYGEN, T, OHABERT J, 1976, Recherches sur les système de Kembos et d`Eynif : Spélêo - club de Paris, club Alpin Français
MONOD, O., It73, Notice explicative pour la .carte géologique du Taurus Occidental au sud Beyşehir, Centre National de la Reeperche Scientifique - Paris,
DEMÎRTASLÏ, E., ERENLER, B, ALTUG S, ve dif erleri, 1976 Akseki - Manavgat « Köprülü Bölgesinin Temel Jeoloji İncelemesi. 81, Türkiye Jeoloji Kurultayında bildiri,
DUMONT, F.J., GUTNIC, M,, MARCOUX, I, MONOD, O,, POSSON A,, 1972, Le Trias des taurldes occidentales (Turquie), Definition du bassm pamphylien: Un nouveau demain à ophiolithes à la marge externe de la chain, Z Deutsch, Geol. Qm, Band 123, S 385- 409, Hannover,
EÎE, 1967, Oymapmar Dam and Reservoir Feasibility Study Watertightness of the Reservoir: Energoprojekt Engineering Consul tingCo, Beograd - Yugoslavia Volume 1,
EÎE, 1968, Manavgat = Oymapmar Baraj ve Hidroelektrik Santralı Projesi Etüd ve Temel Araştırmaları raporu, Ankara,
EİE, 1969,, Oymapmar dam = Second final report Coyne et Beliler, Paris,
EÎE, 1973., Manavgat - Oymapmar Jeofizik Sonuç Raporu,
ERTUNÇ, A., 1970, Manavgat - Oymapmar Mersin Deresi ve dolaylarının jeoloji ve mühendislik jeolojisi incelemesi, EÎH), Ankara,
ERK, S.A., 1908, Manavgat - Rymapınar baraj ve rezervuar jeolojik incelemesi, EÎE, 60-26 Ankara
EÎROSKAY, O.S., 1968 Manavgat - Homa bent yeri ve rezervuarı jeolojik incelemesi Î.Ü.F.P. Tatbiki Jeoloji Kürsüsü
GÜN AY, G.Y., BOĞAN; L,, 1976, Oymapmar Projesi, Aşafı Eynif Boya Deneyi Raporu, DSÎ, Yeraltısuları aDiresi, Ankara,
ŞENOL. S,, 1988, Manavgat - Oymapmar Projesi Karst Jeolojisi ve Boya Tecrübeleri Raporu, EÎE, Ankara.
ŞAHÎN, §., 1976, Oymapmar Projesi Göl alam Batı Yakası fliş ve Karadere Doğal Şeddelerinin Araştırma Raporu; DSÎ, XIII, Bölge, Antalya.
TÜRKÜNAL, S,, 1969, Toros Dağlarının Kuzeyde Beyşehir ile güneyde Oymapmar (Homa) köyü enlemleri, doğuda Güzelsi; bucafı ile batıda Kırkkavak köyü boylamları arasında kalan kesimin JLOİOJÎsi: EÎE, Ankara,
ABSTRACT : Between the years 1963 and 1976, very detailed surface and subsurface investigations have been made in order to solve the complex geological and geotectnical problems of the Qymapınar project which is located on the Manavgat River in the Southern part of Turkey, There is no doubt that the west side leakage problem of the reservoir area is the most interesting among the other engineering geological problems In order to solve this problem 52 core borings for a total length 11x130 meters 495geo - elm Meal soundings for a total length IßS 000 meters have been made. Besides regional and loca l dye tests have been realized, Am of the surface and subsurface data confirm the favourable position and adequate thicknesses of the Karadere for mation and Sinanhoca formation (flysch) from the reservoir leakage point of view, Karadere fm has an extension between Çamdağ anticline and Eynif Polje which is located at 35 km. Northwest of the damsite. As a result; the Tilkiler reservoir grout curtain having the active karstic route in the scale of crab cavity at Keban project and whioh is a doubtful project from the technical and economical feasbilitiy point of wiew, has been abondv billion Turkish liras to the project.