"Geodesistoy is a small structurally simple Icelandic-type basaltic to basaltic-andesite shield volcano located immediately WNW of the larger Anaun volcano in the southern Sredinny Range. A small cone with a lava flow was constructed to the WSW of Geodesistoy, and a small lava field is located to the south. Early geologic studies in the Sredinny Range (Ogorodov et al., 1972) identified numerous Holocene eruptive centers based primarily on morphological criteria. However, later work has suggested that Sredinny Range volcanoes are less mantled by Holocene tephras than eastern Kamchatka volcanoes and therefore appear more youthful, so that Holocene eruptions are uncertain for many of these Sredinny Range eruptive vents."  -Smithsonian Volcano Archive
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