Lake Zone
1.Ibadakuli geothermal site
Ibadakuli geothermal site is located in Usogole Village, Ibadakuli ward, Shinyanga Municipal in Shinyanga region. The area has various springs extended along seasonal Chemu River at a distance of about 700 meters.
Ibadakuli geothermal site lies within the sukumaland greenstone belt in the Archean Nyanzian Greenstone belt of Lake Victoria goldfield. The area is a lowland and swampy, dominated by alluvial sand, with significant composition of quartz, as a result of weathering of felsic units, probably from basement complex of granitoid.
2.Mtagata geothermal site
The site is located in Rwabigaga village in Kamuli ward, Mabira division, Kyerwa district in Kagera region. It is said in the early days the people paid the Chief of Karagwe a fee for bathing; this fee being reduced for some years after the German occupation, and was finally abolished altogether by the German authorities (Grant C.H.B).
Mtagata area lies within the Karagwe-Ankolean Proterozoic mobile belt of western Tanzania, unconformable overly the sheared granitoid of Archaean Craton of Tanzania to the northwest. It is located east of western limb of the East Africa Rift system
The spring is out flowing from fractured, steeply dipping well interbeded quartzite i.e. Mtagata quartzite trending NW-SE; the fractured quartzite is parallel in contact with steeply dipping sheared phylite?, observed at the foot of Mtagata hill, where there is notable boulders of conglomerate.
3.Musoma - Majimoto geothermal site
Majimoto site is located in Majimoto Village, Ngoremi ward, Serengeti district in Mara region. The area has been explored for helium gas previously during colonial time and in recent history by Tanzania Oxygen Limited in 1996.
The area is located in the southern part of the Musoma - Mara greenstone belt, which is among the late Archean greenstone belts that make the northern segment of the ArchaeanCraton of Tanzania. The hot springs upwelling from alluvial sediments in a ‘saucer like’ shaped area surrounded by series of hills in a form of a ring, Mwitangubo hill on the north-western side of the area being the highest.