Search results for "Million years ago" - New World Encyclopedia
From New World Encyclopedia
- The rocks under the basin date to 5.3 million years ago. The first artifacts ... erectus. This layer dates to around 1.5 million years ago. ...9 KB (1,415 words) - 00:05, 18 November 2022
- of the Paleogene period, about 30 million years ago, until about 10,000 ... epoch of the Paleogene period over 56 million years ago. Mastodons first appeared ...12 KB (1,719 words) - 16:47, 7 November 2022
- were rare in the Silurian (444–416 million years ago), but common in the ... relatively short history of only about 50 million years. During their time ...8 KB (1,138 words) - 06:22, 24 November 2022
- Homo erectus ("upright man") is an extinct species of the genus Homo. It lived from about 1.8 million years ago (mya) to 50-70,000 ...14 KB (2,119 words) - 12:01, 2 February 2024
- out. By the start of the Eocene (55 million years ago), they had diversified ... of grasses in the Miocene (about 20 million years ago) saw a major change: ...11 KB (1,626 words) - 23:30, 11 November 2022
- dark blue represents crust that is 180 million years old. (Dark gray areas ... present-day oceanic crust is less than 200 million years old. ...8 KB (1,174 words) - 00:35, 3 November 2022
- genus Homo, that lived from about 1.8 million years ago (mya) to 50-70,000 ... the Early Pleistocene around 2.0 million years ago, dispersing throughout ...9 KB (1,362 words) - 01:03, 9 February 2023
- During the time of the Mesozoic (252 to 65 million years ago), the ... and in the Tertiary (about 65 million years ago at the end of the Cretaceous ...10 KB (1,381 words) - 16:17, 6 November 2022
- from the Pliocene epoch, about four million years ago to around 4,500 years ... four million years. From three to 3.5 million years ago, mammoths expanded ...14 KB (2,035 words) - 06:41, 5 November 2022
- as spanning roughly from 251 to 65 million years ago (mya), and as being ... roughly 180 million years: From 251 million years ago (mya) to when the Cenozoic ...11 KB (1,570 words) - 10:34, 10 March 2023
- dating as far back as 100,000 to two million years ago. It was during these ... left in volcanic ashes some 3.6 million years ago. The years that followed ...9 KB (1,368 words) - 16:10, 7 November 2022
- been dated from roughly 250,000-400,000 years ago in the Pleistocene. has been placed from about 1.8 million years ago (mya) to 50-70,000 ...8 KB (1,212 words) - 17:11, 26 March 2023
- in Asia around 1.6 million to 3.3 million years ago. Molecular estimates ... In the Pleistocene (1,808,000 to 11,550 years BP), the Rhinoceros genus ...11 KB (1,596 words) - 20:50, 16 April 2023
- from approximately 2.5 million to 1.5 million years ago, appearing first in ... Another fossil hominid from about two million years ago was found ...12 KB (1,749 words) - 12:08, 2 February 2024
- the moon, between about 4.5 and 4.3 billion years ago. Perhaps 10% or less ... meteorite impacts ended about 3.9 billion years ago, but igneous rocks younger ...13 KB (1,961 words) - 23:42, 5 May 2022
- in Utah. It lived from 145 to 150 million years ago, during the Kimmeridgian ... Portugal. It lived about 150 million years ago, during the Kimmeridgian ...13 KB (1,833 words) - 02:00, 12 January 2023
- as the amount of fish caught. In recent years, the water level of the lake ... that created the Great Rift Valley 12 million years ago, the African Great ...14 KB (2,194 words) - 23:25, 21 October 2022
- lakes, having been formed around twenty million years ago. ... created the Great Rift Valley twelve million years ago, the African Great ...12 KB (1,887 words) - 23:20, 21 October 2022
- Laramide orogeny between 70 and 40 million years ago which was also part ... The modern Gunnison River set its course 15 million years ago as the ...14 KB (2,151 words) - 18:04, 31 October 2023
- Pliosaurs were carnivorous, aquatic, Mesozoic-era (251-65 million years ago) reptiles comprising the suborder Pliosauroidea of the Plesiosauria ...11 KB (1,490 words) - 08:04, 24 November 2022
