New Hampshire Geology New Hampshire Bedrock Map

Navigating By Geologic Timeline
(Just click on a time period below to visit that page.  Click "HOME" above in the black bar for other options to navigate this site.)

For more information about what the Geologic Timeline is, click here.

For an activity to help understand the Geologic Timeline, click here .


Geologic Time Periods (mya = millions of years ago)

Neocene (Quarternary)  Present - 1.8 mya
Paleocene (Tertiary)  1.8 - 65 mya
Cretaceous  65 - 144 mya
Jurassic  144 - 206 mya
Triassic  206 - 248 mya
Permian  248-290 mya
Pennsylvanian  290 - 323 mya (Carboniferous Period)
Mississippian    323 - 354 mya (Carboniferous Period)
Devonian  354 - 417  mya
Silurian  417 - 443 mya
Ordovician  443 - 490 mya
Cambrian  490 - 540 mya
Precambrian  540 - 4,600 mya

Creation of the Universe

Nebula Theory
Big Bang Theory

 

Mt. Monadnock Mt. Washington