Upheaval Dome: Utah’s Mysterious Crater That Still Puzzles Scientists
The origin of Upheaval Dome in Utah remains debated, with theories ranging from a meteorite impact to underground salt movement.
来自MSN22 天
Upheaval Dome: Utah's 'belly button' that has divided scientists since its discovery
but the presence of shocked quartz crystals at the site suggests the dome mushroomed after a meteorite smashed into Earth 60 million years ago. Related: 'Alien plant' fossil discovered near Utah ...