Tuya Butte is part of the Tuya Volcanic Field, a volcanic field that includes tuyas, postglacial lapilli cones and lava flows and several small shield volcanoes formed during the Pleistocene and Holocene.
The description emphasizes that Tuya Butte is situated within a larger volcanic field that contains various types of volcanic formations, including tufa deposits, postglacial lapilli cones, lava flows, and smaller shield volcanoes.