Latest Troctolite Stories

A small, 4.2 billion-year-old moon rock collected by an astronaut during Apollo 17, the last manned mission to the Moon, provides evidence that the Moon once had a molten core that generated a magnetic field.Harrison Schmitt, Apollo 17's only trained geologist, gathered the rock, known as troctolite 76535, in 1972. Troctolite is a type of rock consisting of the minerals olivine and plagioclase.Considering that lava plains on the Moon's surface suggest a volcanic past that may have lasted two...