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 Edgcumbe Country Park and gardens are jointly managed by Cornwall Council and Plymouth City Council. Although the park covers a large area, the park has limited formal maintenance. This gives it a rough and ready rural feel in all except the Formal Gardens. The park is well endowed with interesting features, many of which are Grade II or Grade II* listed. Several larvae of the beautiful pearl ("Agrotera nemoralis"), were found by members of the Cornish branch of Butterfly Conservation on European hornbeam ("Carpinus betulus") during August 2013. The micro-moth was previously only known (in Britain) from East Blean Woods, Kent. Mount Edgcumbe