pre-cambrian

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prekambriyum

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precambrian
kambriyum öncesine ait
Precambrian
prekambriyen
precambrian
jeol
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Precambrian
Relating to the eons before the Phanerozoic
Precambrian
{s} of the earliest geological period
precambrian
prior to 570 million years ago
precambrian
the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
precambrian
An informal term to encompass all of the time that precedes the Phanerozoic (i e 4600 to 570 million years ago)
precambrian
geologic time; the time before the Cambrian
precambrian
he geological time period extending from formation of the earth to 600 million years before the present
precambrian
geologic era between the time when Earth's crust formed about 4 5 billion years ago to about 1 billion years ago
precambrian
adj of, belonging to, or designating the oldest and largest division of geologic time, preceding the Cambrian, often subdivided into the Archeozoic and Proterozoic eras, and marked by the appearance of primitive forms of life
precambrian
All geologic time, and its corresponding rocks, before the beginning of the Paleozoic; it is equivalent to about 90% of geologic time
precambrian
The part of the geological record that exists before 570 Ma As the Earth is about 4 6 BILLION years old it is a very long period of time!
precambrian
In this Eon the creation of the solar system occurred, around 5 billion years ago then the planets formed and earth began its long great life! The first single-celled organisms appeared around 70 to 1 billion years ago Toward the latter part of the Precambrian Eon jellyfish, primitive arthropods, and sponges diversified
precambrian
Span of geologic time that dates from 4 6 billion to 570 million years ago Made up of three geologic eras: Hadean, Archean, and Proterozoic
precambrian
the [2: first four billion years ] of geologic time, includes the Archaean and Proterozoic aeons; [3: Precambrian]
precambrian
The earliest part of the geological time scale, including all corresponding rocks, equivalent to about 90 percent of geologic time; from the beginning of time until the beginning of the Paleozoic, about 600 million years ago
precambrian
An era in the geologic time scale that began with the creation of the Earth (4 5 billion years ago) and spans to about 570 million years before the present
precambrian
The ancient epoch of geological time (3 5 billion to 600 million years ago), marked in the North Country by the Early Precambrian Keewatin, Laurentian, Knife Lake, and Algoman periods (3 5 to 2 7 billion years ago); the Middle Precambrian Early, Middle, and Late Huronian(Animikean) periods (2 6 to 1 6 billion years ago); and the Late Precambrian Early, Middle, and Late Keweenawan periods (1 6 billion to 600 million years ago)
precambrian
A geological term denoting the time in Earth history prior to 570 million years ago
pre-cambrian