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 shallow seas, this sedimentary rock was pushed east and over the top of younger rock during the Laramide orogeny. Based on the Köppen climate classification, Mount Lougheed is located in a subarctic climate with cold, snowy winters, and mild summers. Temperatures can drop below −20 C with wind chill factors below −30 C. Precipitation runoff from Mount Lougheed drains into the Bow River which is a tributary of the Saskatchewan River. 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