Nemrut (volcano) of the earliest trade routes. Two eruptions of Nemrut were probably witnessed by people of Urartu, an ancient state located in the eastern Turkey. These eruptions occurred c. 787 BC (period of King Menua) and c. 657 BC (period of King Rusa II), and the latter eruption might cause the sudden disappearance of the city Uaiais located 30 km east of Süphan. In the 1980s, Japanese volcanologists studied the evolution of gases inside the caldera of Nemrut. They found that the ratio of helium isotopes He/He is 1.06, which indicates volcanic activity (most of the measured helium evolved from the
Mount Lougheed Mount Lougheed Mount Lougheed is a triple-peak mountain located between Spray Lakes Reservoir and the Wind Valley of Kananaskis Country in the Canadian Rockies of Alberta, Canada. The highest summit is known as Peak 2 (3107 metres). Peak 1 to the northwest is 3080 metres. Peak 3 to the southeast is 3010 metres. The nearest higher peak is Wind Mountain, to the southeast. Mount Lougheed is a conspicuous landmark that can be seen from Highway 1, the Trans-Canada Highway at Dead Man's Flats which is east of Canmore. Mount Lougheed was named after Sir James Lougheed (1854–1925), a prominent lawyer,