Harris Rock [SEP] continent
Harris Rock
Harris Rock () is the largest and southernmost of a group of three rocks lying north of Montrol Rock and D'Urville Island, in the Joinville Island group, Antarctica. It is located 7 km northeast of Cape Juncal and 6.3 km northwest of Limoza Island. The name appears on an Argentine government chart of 1960. The rock is named after Capitan de Navio Santiago Harris of the Argentine Navy.
Frost Trail traverse the mountain. The Holyoke Range continues to the west as Mount Norwottuck and to the east as Harris Mountain.
Geology and ecology.
Long Mountain, like much of the Metacomet Ridge, is composed of basalt, also called traprock, a volcanic rock. The mountain formed near the end of the Triassic Period with the rifting apart of the North American continent from Africa and Eurasia. Lava welled up from the rift and solidified into sheets of strata hundreds of feet thick. Subsequent faulting and earthquake activity tilted