Plate tectonics and mountains

Plate Tectonics

This Dynamic Earth-- [USGS]
Deconstructing Pangaea
WebDogs virtual plates: where I found many of the links below
Animated motion of the plates - from UC Berkeley
Plate tectonics and continental drift - global earth history
Paleomap project
Future animation: from today to 250 million years in the future
Paleogeographic Atlas of the World
Digital isochrons of the world's ocean floor
Measured and estimated seafloor topography
The Plates Project
Selected North American orogenies (mountain-building events)
Tectonic reconstructions of the Caribbean region
Lecture notes on plate tectonics (Pamela Gore, DeKalb College)
Lecture notes on the ocean floor (Pamela Gore, DeKalb College)
Lecture notes on mountain building (Pamela Gore, DeKalb College)

ODSN Plate Tectonic reconstruction service - build your own animation
Plate motion calculator

Himalaya

Birth of the Himalaya

The India-Asia collision and the lost lithosphere
"Roof of the Earth" Offers Clues About How Our Planet Was Shaped
Himalayan Front and Tibetan Plateau
Strike-slip faults, western China

Appalachian Mountains

Geology and Physiographic Provinces of Maryland

Geology of the Sideling Hill road cut
Geology of Virginia (includes Appalachian physiographic provinces)
Appalachian Mountains tectonic overview
Overview of New York geology (includes some Appalachian geologic history)
West Virginia geology
Central Appalachian Global Geoscience Transect

Excerpts from NASA's "Geomorphology from Space"

Appalachian Mountains
Folded Appalachians
Pine Mountain thrust

Sierra Nevada Mountains and general geology of California

Sierra Nevada Research papers and abstracts (including the abstract from the Science article)
Shaded relief map and geology of California (image and brief discussion)
3-D digital elevation models: eastern Sierra Nevada, California
A field trip to Owens Valley/Mammoth Lakes
Geology/Natural History of Lake Tahoe and formation of Sierra Nevada Mountains
California's coastal mountains
Geologic history of Santa Cruz County/formation of Coast Ranges