glacial periods
61Heinrich event — Heinrich events, first described by marine geologist Hartmut Heinrich, occurred during the last glacial period, or ice age . During such events, armadas of icebergs broke off from glaciers and traversed the North Atlantic. The icebergs contained… …
62Yunnan-Guizhou Plateau — or Yungui Plateau covers southwestern China. There are two distinct areas of this plateau: an area of high plateau averaging about 2,000 m with mountain peaks as high as 3,700 m in northern Yunnan province, and an area of rolling hills, deep… …
63Orbital forcing — is the effect on climate of slow changes in the tilt of the Earth s axis and shape of the orbit (see Milankovitch cycles). These orbital changes change the total amount of sunlight reaching the Earth by up to 25% at mid latitudes (from 400 to 500 …
64Precambrian — For the album by German band The Ocean, see Precambrian (album). Precambrian Period 4567.17–542 million years ago …
65Chickahominy River — River Name origin: Chickahominy people Country …
66Mývatn — Coordinates 65°36′N 17°00′W / …
67Kosciuszko National Park — IUCN Category II (National Park) …
68Rila — for the Tibetan village see Rila, Tibet Rila ( bg. Рила IPA| [ ri.lə] ) is a mountain range in southwestern Bulgaria and the highest mountain range of Bulgaria and the Balkans, with its highest peak being Musala at 2,925 m. The massif is also the …
69Mount Shasta — This article is about the volcano in California. For the town, see Mount Shasta, California. For other peaks named Shasta, see List of peaks named Shasta. Mount Shasta Mount Shasta from the south, taken near Dunsmuir, California …
70Discus macclintocki — Iowa Pleistocene snail A live Iowa Pleistocene snail Conservation status Endangered …
