APPENDIX-8 議事録
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1 APPENDIX-8 議事録
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22 APPENDIX-9 写真集
23 No.2 AllaloBeda (Tendaho-2) Overview Hot spring and silica deposits beside the springs Geysers and fumaroles from the ground; There are more than 20 geysers at the site. Measuring the temperature of geyser Fumalore from rocky slope. Gate in Awash River for irrigation 日本工営株式会社 A 年 4 月
24 No.7 Meteka (1/2) Overview of site; the area is composed of swampy area (right) and fault scarp (right). Awash River; the river is flown in the swampy area. Meteka Spring; hot spring is welling from the foot of fault scarp. Sampling of hot spring from the bath beside National Road Sampling of hot spring at the roadside ditch Termination of site survey due to bad road condition. 日本工営株式会社 A 年 4 月
25 No.7 Meteka (2/2) Sampling of hot spring beside Awash River Outcrop at fault scarp; basaltic and andesitic rock is commonly observed. Outcrop at fault scarp; clay veins with gypsum are observed. Gypsum vain taken from the outclop Termination of site survey due to bad road condition. Dense bush with rocky ground in upland; it is difficult to conduct MT/TEM survey. 日本工営株式会社 A 年 4 月
26 No.9 Dofan (1/2) Termination of site survey due to bad road condition after heavy rain. Overview of the Site Dofan Basalt; Basalt lava is observed on the way to manifestation area. Large hot spring; plenty amount of water is flown out. Measuring temperature at hot spring Measuring temperature of fumarole used for bathing 日本工営株式会社 A 年 4 月
27 No.9 Dofan (2/2) Fumaroles in basalt lava; white clay and sulfur are observed at the fumaroles. Altered basalt/ Trachytic andesite; white clay and sulfur are common. Yellow sulfur vain is developed in white clay zone. Measuring ground temperature Crystallized sulfur; local peoples are mining and extracting sulfur for selling. Extracted sulfur by local miner for selling 日本工営株式会社 A 年 4 月
28 No.10 Kone (1/2) Overview of Korke Caldera; East of Kone Caldera, Surrounded by caldera scarp. Korke Caldera; filled by basalt lava. Geological survey at the north of Kone Caldera Obsidian pyroclastic rock was found at the north of Kone Caldera Western Rim of Kone Caldera Very recent basalt lava is erupted in Kone Caldera 日本工営株式会社 A 年 4 月
29 No.10 Kone (2/2) Overview of Kone Caldera; dense bush is grown and difficult to walk through. Entering Kone Caldera; footpath is only available and vehicle cannot enter inside. Ropy wrinkles of basalt lava (Pahoehoe lava) Basalt lava cave Small crater of basalt lava Fumalore from basalt lava (Gur Fumarole) 日本工営株式会社 A 年 4 月
30 No.11 Nazreth (1/2) Entrance of Boko Sanatorium; fumaroles are used for medicine Fumaroles are observed at the front cliff; Wonji Fault scarp. Steam bath house constructed closer to the cliff. Fumarole is found at the fracture in the cliff; local peoples put bottles to collect water. Gas sampling from the fracture Amorphous quartz (agate) sub-originated at the cliff. 日本工営株式会社 A 年 4 月
31 No.11 Nazreth (2/2) Entrance of Sodole Hot Spring; pools, baths and cottages are constructed for customers. One of the source of Sodole hot springs Geochemical survey of Sodole hot springs Awash River flown beside Sodole hot springs Another source of Sodole hot springs; algae is grown in the spring, Sampling at another source of Sodole hot springs 日本工営株式会社 A 年 4 月
32 No.12 Gedemsa (1/2) Asking the way to local peoples Going to climb up caldera wall Inside the caldera from caldera wall Amorphous Quartz (agate) was found in acidic welded tuff layer, outcropped at caldera wall. Seeing south caldera wall Seeing east caldera wall and Lake Koka 日本工営株式会社 A 年 4 月
33 No.12 Gedemsa (2/2) Warm water from the borehole at the south of Gedemsa Caldera Fumarole at the south of Gedemsa Caldera; local peoples dig the cave (left) for bathing. Basalt lava observed at the south of Gedemsa Caldera (front) Hot spring in Gergedi (Hippo Pool); located beside Awash River Bathing facility Source of Hot Spring; the Spring is located on Wonji Fault. 日本工営株式会社 A 年 4 月
34 No.14 Finkilo (1/2) Overview; the site is composed of slopes and terraces. Pumice tuff is commonly observed at the surface. Deep valley in the site; many fumaroles are observed. Fumaroles in dense bush Shore of Lake Langano; many hot springs are observed. Hot spring at the shore of Lake Langano; Local peoples are used for bathing. 日本工営株式会社 A 年 4 月
35 No.15 Finkilo (2/2) Overview of Finkilo; thick pumice tuff layer covered the surface. Closer view of pumice tuff layer; sedimentation shows pumice fall deposit. Fumaroles at the slope (center) Altered reddish clay observed at the fumaroles area. Viewing the north of Aluto Volcanic Complex Thermal Gradient Well (TG Well) found at the foot of Finkilo site 日本工営株式会社 A 年 4 月
36 No.15 Bobesa (1/2) Overview of Bobesa; many fumaroles are found. Closer view of Bobesa; fumaroles are spouted out from fractures. Closer view of fumaroles; color of rock is changed into reddish. Closer view of fumaroles; many fumaroles are spurted out with sounds. Sampling of gas from fumaroles Stratified volcanic tuff observed on the way to the site 日本工営株式会社 A 年 4 月
37 No.15 Bobesa (2/2) Small fumaroles from fracture in outcrop Fumaroles in Gebiba, approx 9km SSW from Bobesa, outside of Aluto Volcano Water collecting by local peoples in Gebiba; They put grass to cool down the steams. Altered reddish clay observed at around fumaroles area. Welded tuff in Gebiba Trachytic Andesite lava at Gebiba, covered by welded tuff 日本工営株式会社 A 年 4 月
38 No.18 Boseti (1/2) Site investigation of fumaroles (Steam bath) in Kintano; fumaroles is from fracture of basalt lava. White pumice tuff is observed at some part of the ground. Fault scarp (right) with open crack in Kintano; fumaroles are observed along the faultline. Fault scarp (right) and obsidian lava (left) Measuring temperature of fumarole Gas sampling from fumarole 日本工営株式会社 A 年 4 月
39 No.18 Boseti (2/2) Overview of MT/TEM Site and Boseti Bericha mountain (left); The area covered by Obsidian lava. An end of obsidian lava flow. Obsidian lava block; lava looks viscous and flow structure is developed. Topographic survey for MT survey Setting of electrode below the ground Moving to the next measurement point 日本工営株式会社 A 年 4 月
40 No.20 Aluto-1 (Aluto-Langano) Drilling rig at LA-9D test well site Geothermal well and separator in LA-4 Gas sampling in LA-6 Setting sampling ornament at LA-8 Turbine and Generator in Aluto-Langano Geothermal Power Plant Operation room in Aluto-Langano Geothermal Power Plant 日本工営株式会社 A 年 4 月
41 No.21 Dubti (1/2) Well head of TD-1 Well head of TD-1 (BOP) Hot spring in Dubti; the hot water contains mud and bubbles. Mud pool in Dubti Small Fumarole in Dubti The color of sample shows Containing of Sulfur in collected gas 日本工営株式会社 A 年 4 月
42 No.21 Dubti (2/2) Well head of TD-6; BOP is tilting. Opening the valve of TD-6 Overview of TD-4 Test well TD-4 Test well; mud is frown out beside the well. Well head of TD-5 Silencer of TD-5 日本工営株式会社 A 年 4 月
43 No.22 Ayrobera (1/2) Overview of Ayrobera Site; Fumaroles are at the mounds in Alluvial Plain. A Major Fault scarp; which runs through the direction of NW-SE. Wet ground due to fumaroles Wet ground due to fumaroles; many wet grounds are observed. Measuring the temperature of fumarole from the ground Gas Sampling of the fumaroles from the ground 日本工営株式会社 A 年 4 月
44 No.22 Ayrobera (2/2) Gypsum (White stone) and Gas Samples Setting of Induction Coil for MT Survey Completion of MT Survey Setting Setting of Inductor Coil for TEM Survey Topographic Survey and Setting of TEM Survey Equipment TEM Survey Measurement 日本工営株式会社 A 年 4 月
45 Additional Site Survey: Seha, North of Tendaho (1/2) Overview; Surface is covered by basalt lava. Collapsed basalt lava cave; weak fumaroles was found from the cave. Steep and sharp fault; the trend is NW-SE, concordant with Manda- Harraro Graven. Top view from fault scarp; water is spouted out from the foot of the fault. View along the fault scarp; water is spouted out from the foot of the fault. Sampling of water in hot spring located at the foot of the fault scarp. 日本工営株式会社 A 年 4 月
46 Additional Site Survey: Lake Loma, North of Tendaho (2/2) Fault scarps and Alluvial plain Basalt lava is observed at fault scarp Caldera lake (Lake Loma) Water Sampling at Crater lake; water is cold. Climbing up the caldera wall Recent basalt lava flow 日本工営株式会社 A 年 4 月
47 Additional Site Survey: Butajira Crater Lake in the south of Butajira (Lake Ar Shetan) Butajira Geothermal Site; hot water was splashed out at the depth of approx. 200m when water well was drilled. Water well drilling point; small pond was performed. Butajira hot spring; hot spring is located at low land of the area. Butajira hot spring; local peoples are fetching water and cooking maize. 日本工営株式会社 A 年 4 月
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