Definition of Siletzia. Meaning of Siletzia. Synonyms of Siletzia

- Siletzia is a m****ive formation of early to middle Eocene epoch marine basalts and interbedded sediments in the forearc of the Cascadia subduction zone...
- that marks the northernmost exposure of the Crescent Terrane (part of Siletzia), where basalt of the Metchosin Igneous Complex (correlative with the Crescent...
- island arc is completely subducted. 55–50 Myr ago the accretion of the Siletzia and Pacific Rim terranes occurred. 55–50 Myr ago the conclusion of the...
- formation of Eocene volcanic deposits on the Oregon coast. Siletz terrane: Siletzia, a tectonic terrane that forms the geological ba****t under northwestern...
- Laramide Orogeny ended around 48 million years ago, the accretion of the Siletzia terrane began in the Pacific Northwest. This began the volcanic activity...
- United States, are a sequence of basaltic pillow lavas that make up part of Siletzia. The basaltic pillow lavas originally came from submarine volcanoes that...
- Third and last wave of plutons added to Sierra batholith. 51 Ma Eocene The Siletzia Plate collides with the Pacific Northwest, forming the coast of much of...
- southern end of Vancouver Island. It is the northernmost expression of the Siletzia terrane and consists of three rock units, including a basaltic sequence...
- Rock in Central Oregon and perhaps another flood basalt event known as Siletzia which underlies much of the Pacific Northwest coast with exposures in the...
- the Klamath-Blue Mountain Lineament that marks the southeastern edge of Siletzia (see geological map, below). The Yakima Fold Belt is also located on, and...