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Where was precambrian era?
The Precambrian era was a geological period that spanned from about 4.6 billion years ago to around 541 million years ago. It encompasses the earliest part of Earth's history, including the formation of the planet and the evolution of life forms. The Precambrian era was followed by the Paleozoic era, which marked the beginning of complex life on Earth.
What causes diamonds in Africa?
All diamonds are formed deep within the earth's mantle and are erupted to the surface by way of volcanic pipes. Diamonds are found on every continent except Europe and Antarctica. That there are diamonds in Africa is simply part of the earth's composition and geological evolution.
Where does a peridotite rock come from?
Peridotite rock comes from the Earth's mantle, specifically the upper part of the mantle known as the upper mantle. It is formed from the cooling and solidification of magnesium- and iron-rich magma beneath the Earth's surface. Peridotite is typically brought to the surface through processes like mantle upwelling or tectonic movement.
When did earthworms appear on earth?
Earthworms are believed to have appeared on Earth around 120 million years ago during the Early Cretaceous period. Fossil evidence suggests that they have been an important part of ecosystems for millions of years, contributing to soil health and nutrient cycling.
When did plant life begin to appear on Earth?
Plant life first appeared on Earth around 450 million years ago during the Ordovician period. These early plants were mostly similar to mosses and liverworts, and they played a crucial role in shaping the development of ecosystems on our planet.
What era was earth first formed Cenozoic Mesozoic Paleozoic or Precambrian PLEASE HELP?
The earth first formed at the beginning of the Precambrian supereon which spans a very large period of time from 4,567 million years ago, through to 542 million years ago.The beginning of the Precambrian where Earth formed is known as the Hadean eon, stretching from 4.7 Ga (billion years ago) and ended roughly 3.8 billion years ago.
What part of Canada was created during the Precambrian era?
The Canadian Shield, which covers around half of Canada's landmass, was created during the Precambrian era. It is one of the oldest geological formations on Earth, characterized by its ancient rocks and diverse mineral resources.
Is the Precambrian time the longest or shortest part of Earth's history?
The Precambrian time is the longest part of Earth's history, spanning from the formation of Earth around 4.6 billion years ago to about 541 million years ago. It makes up about 88% of Earth's history.
Where was precambrian era?
The Precambrian era was a geological period that spanned from about 4.6 billion years ago to around 541 million years ago. It encompasses the earliest part of Earth's history, including the formation of the planet and the evolution of life forms. The Precambrian era was followed by the Paleozoic era, which marked the beginning of complex life on Earth.
Did earth just appear?
No, it was formed as part of the collapse of the Nebular which formed the Sun.
Did the precambrian era occur first?
Yes. The first era was the precambrian era followed by the paleozoic era then the mesozoic era than the Cenozoic era.
What animal first appeared during the precambrian era?
As far as we know for the majority of the Precambrian super-eon the only life on earth was bacteria.At the very end of the Precambrian multicelled life evolved. Amonst them jellyfish, invertibrates, sponges and pretty much a prehistoric version of most sealife today. There is also very suggestive evidence for simple plant life in the form of green algae in the Precambrian.
Which era spans the greatest number of years in earths geological history?
The pre-Cambrian period which is a little over 630 million years ago. Before this era, there were no biota which leave a decent fossil impression - mainly soft-bodied forms. But see Ediacara in Wikipedia for more information.The earth by comparison is about 4.5 billion years since formation in roughly its present form. [So 630/4.5 000 ]
Astronomers believe what was originally a part of earth?
Astronomers believe that the moon was originally a part of Earth that separated from it during a giant impact event early in the formation of the solar system. This theory, known as the Giant Impact Hypothesis, explains how the moon was formed and why it shares similar isotopic compositions with Earth.
In which part of the earth are diamonds most often formed?
the mantle and the crust, in the lithosphere.
How long did the PreCambrian era last?
The Precambrian Era. The name means: "before the Cambrian period." This old, but still common term was originally used to refer to the whole period of earth's history before the formation of the oldest rocks with recognizable fossils in them. In the last few decades, however, geologists have found that there are some hard-to-discern fossils in some Precambrian rocks, so this period is now also known as the Cryptozoic or "obscure life" Eon (from the words "crypt" = "hidden," and "zoon" = "life"). The Precambrian covers almost 90% of the entire history of the Earth. It has been divided into three eras: the Hadean, the Archean and the Proterozoic. Source: Unknown The Precambrian Era comprises all of geologic time prior to 600 million years ago. The Precambrian was originally defined as the era that predated the emergence of life in the Cambrian Period. It is now known, however, that life on Earth began by the early Archean and that fossilized organisms became more and more abundant throughout Precambrian time. The two major subdivisions of the last part of the Precambrian are the Archean (oldest) and the Proterozoic. Rocks younger than 600 Ma are considered part of the Phanerozoic.
Why is the water part of the earth higher during spring tide?
yes because the water is part of the earth
