0
470 billion years ago :)
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
What is the history about the ruby mountains?
The Ruby Mountains, located in Nevada, were formed approximately 70 million years ago. They get their name from the red garnets and other gemstones found in the range. The area has a rich history of mining, ranching, and outdoor recreation.
How long ago was 730 ce?
As of this writing, it's 2012 CE. You can subtract to find the answer.
How long ago was the giant's causeway formed?
The Giant's Causeway was formed approximately 50-60 million years ago during a period of intense volcanic activity.
How long ago was the Lewis and Clark expedition?
The Lewis and Clark expedition took place from 1804 to 1806, making it approximately 215 years ago.
How long ago did tribes settle between the 7 hills?
Tribes settled on the 7 hills of Rome around 8th century BC, approximately 2800 years ago.
What time period where the Taconic mountains formed?
440 millions years ago
When were the Rocky Mountains found?
A long time ago
How were the Maya mountains formed?
The Maya Mountains are in Belize and Guatemala. They are a large uplifted block of intrusive Paleozoic granite and sediment. The granite comes from liquid rock under the Earth's surface that was pushed up over millions of years and cooled into granite, a process that occurred several hundred million years ago.
How long has Nevada been here for?
Nevada is part of the North American continent (about 1.7 billion years old). It was uplifted west of the Rocky Mountains about 80 million years ago, having previously been tectonically active during the Late Devonian, about 380 million years ago. Nevada, the US state, was formed from the western Utah Territory. The Nevada Territory was created in 1861 and the state joined the Union on October 31, 1864.
What are erosional mountains?
from the wvges website Erosional mountains are formed by erosion of uplifts like the Black Hills in western South Dakota and extensive plateaus like the Appalachian Plateau in the eastern United States (which includes western West Virginia). In both of these areas, rivers have carved complex systems of hills and mountains in the uplifted rocks
How long ago did the rocky mountains form?
It started forming in the mesozoic era - 245-66 million years ago.
How old is the Navajo mountain?
The uplift that formed the mountain occurred between 20 and 31 million years ago. The sandstone on the uplifted top is Dakota Sandstone from Cretaceous 66-138 million years ago.
Did the Aztecs build great cities in the Andes mountains?
The Aztecs didn't do this, they built them in present-day Mexico. I did an assignment on this not long ago!:)
Was there a sunami in japan in 2011?
yes there was not to long ago and if you live in Washington then you need to know this on the coast (on the other side of the mountains there was a tsunami)
When was the Rocky Mountains built?
The mountains were made by the Yellowstone volcano about 100000 years ago
When were the appalachain mountains formed?
the Appalachian mountains were formed about 165 million years ago
Rocky Mountains were underwater how many years ago?
450 million years ago
