Formation Ages

Some articles on formation ages, age, ages:

Martian Meteorite - Origin
... The young formation ages of martian meteorites was one of the early recognized characteristics that suggested their origin from a planetary body such as Mars ... meteorites, only ALH 84001 has a radiometric age older than about 1400 Ma (Ma = million years) ... well as Chassigny and NWA 2737, give similar if not identical formation ages around 1300 Ma, as determined by various radiometric dating techniques ...
Volcanology Of Canada - Eastern Canada
... belt in western Ontario consists of basaltic and komatiitic volcanics ranging in age from 2,925 to 2,940 million years old and younger rhyolite-andesite volcanics ranging in age from 2,730 ... Two volcano-sedimentary sequences exist in the Labrador Trough with ages of 2,170–2,140 million years and 1,883–1,870 million years ... In the Cape Smith Belt, two volcanic groups range in age from 2,040 to 1,870 million years old called the Povungnituk volcano-sedimentary Group and the Chukotat Group ...
Geologic Time Scale - Table of Geologic Time
... Geologic time scale Supereon Eon Era Period Epoch Age Major events Start, million years ago n/a Phanerozoic Cenozoic Quaternary Holocene chrons Subatlantic ... Quaternary Ice Age recedes, and the current interglacial begins ... Paleolithic/Neolithic (Stone Age) cultures begin around 10000 BC, giving way to Copper Age (3500 BC) and Bronze Age (2500 BC) ...

Famous quotes containing the words ages and/or formation:

    All the great ages have been ages of belief.
    Ralph Waldo Emerson (1803–1882)

    The moral virtues, then, are produced in us neither by nature nor against nature. Nature, indeed, prepares in us the ground for their reception, but their complete formation is the product of habit.
    Aristotle (384–322 B.C.)