kambriyum öncesine ait

التركية - الإنجليزية

تعريف kambriyum öncesine ait في التركية الإنجليزية القاموس.

precambrian

prior to 570 million years ago

the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago

An informal term to encompass all of the time that precedes the Phanerozoic (i e 4600 to 570 million years ago)

geologic time; the time before the Cambrian

he geological time period extending from formation of the earth to 600 million years before the present

geologic era between the time when Earth's crust formed about 4 5 billion years ago to about 1 billion years ago

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

All geologic time, and its corresponding rocks, before the beginning of the Paleozoic; it is equivalent to about 90% of geologic time

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!

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

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

the [2: first four billion years ] of geologic time, includes the Archaean and Proterozoic aeons; [3: 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

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

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)

A geological term denoting the time in Earth history prior to 570 million years ago