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What is the oldest rock on the moon?
Probably the "mare basalt's where some dated samples are as old as 4.2 billion years
What is the Oldest evidence of life on earth?
The oldest evidence of life are single celled organisms that are found in rock and mineral samples. These date back to approximately 3.5-3.8 billion years ago.
Where do scientists get rock samples to discover earth's interior?
They recover rock samples from volcanic eruptions.
What is the oldest rock in earth?
Igneous Rock
How do astronauts bring rock samples back from Mars?
No astronauts have ever been to Mars, and no rock samples have ever been sent to Earth.
If a metamorphic rock contains and intrusion of igneous rock which rock is the oldest?
In this scenario, the igneous rock intrusion is the youngest rock, as it formed after the metamorphic rock was already in existence. The metamorphic rock must have been present before the igneous rock intruded into it, making the metamorphic rock the oldest of the two. Thus, the metamorphic rock is the oldest in this context.
What is the answer of the oldest rock?
metaphoric
On the ocean floor where is the oldest rock?
The oldest rock in oceanic crust is that which is found the greatest distance from a mid-ocean-ridge.
Are the rolling stones the oldest living rock band?
Actually AC/DC are the oldest still living rock band
The rock at the bottom of an undisturbed sequence is?
The bottom is oldest. The top is newest. -From bottom to top is the equivalent of oldest to youngest in an undisturbed sequence.
. The scientific estimate for the age of Earth is 4.5 Billion years. The oldest rock sample found on the Earth is 4 Billion years old. How is it possible that Earth could be older than the oldest rock?
The Earth is indeed estimated to be about 4.5 billion years old, but the oldest rock samples we have are only around 4 billion years old due to geological processes. Rocks are constantly being formed, eroded, and recycled through plate tectonics, which means that older rocks can be destroyed or metamorphosed beyond recognition. The age of the Earth is determined using various dating methods on meteorites and lunar samples, which are believed to have formed around the same time as the Earth, providing evidence of its greater age.
When explorers visit caves what do they collect?
rock samples
