How did scientists determine that the oldest ash deposits around Mt.

Subject: How did scientists determine that the oldest ash deposits around Mt.

Date: Sun Dec 3 17:14:04 2000
Posted by No name entered.
Grade level: 7-9 School: No school entered.
City: No city entered. State/Province: No state entered. Country: No country entered.
Area of science: Earth Sciences
ID: 975881644.Es

Message:


St. Helens are 40,000 years old. Thank you

Re: How did scientists determine that the oldest ash deposits around Mt.

Current Queue | Current Queue for Earth Sciences | Earth Sciences archives

Try the links in the MadSci Library for more information on Earth Sciences.