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 McGillivray factors below −30 C. Precipitation runoff from Mount McGillivray drains into the Bow River which is a tributary of the Saskatchewan River. Mount McGillivray Mount McGillivray is a mountain summit located in the Bow Valley of Kananaskis Country in the Canadian Rockies of Alberta, Canada. Its nearest higher peak is Skogan Peak, to the southeast. Mount McGillivray is a landmark that can be seen from Highway 1, the Trans-Canada Highway in the Exshaw area. Mount McGillivray was named for Duncan McGillivray (1770-1808), one of the first white men along with David Thompson to see the Bow Valley. In November of