A coastal map including tectonic plate locations or fault-lines shows the tectonic plate boundaries in California. The coastline of California marks the border between the North American and Pacific plates. More »

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According to the Theory of Plate Tectonics, the Earth has seven major or primary plates: the North American, South American, African, Antarctic, Indo-Australian, Eurasian and Pacific. There are also several secondary pla... More »

Very slow currents in the relatively plastic lower mantle, or aesthenosphere, are thought to push the crustal plates along and drive the process of plate tectonics. These currents are caused by convection, with the mantl... More »

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Information included in some maps of the California coast are major cities and towns, parks, counties and visitor attractions. Some maps show the entire or most of the California coast, as in the case of the National Geo... More »

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California employers pay a state unemployment tax that covers unemployment benefits. Each employer pays these taxes, which are determined on an annual basis. More »

The most common type of igneous rock, basalt, also known as malfic rock, can be found on oceanic plates at divergent plate boundaries. Intermediate and felsic igneous rocks show up along continental margins, as well. Bec... More »

A diversity of plants thrives in the California coastal region, including pampasgrass, chaparral plant, sagebrush scrub, lobed sea rocket and sand strawberry. These plants grow near the ocean but thrive in areas where th... More »