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Devonian paleogeography Silurian paleogeography Cambrian paleogeography Cambrian paleogeography Ordovician paleogeography paleocontinent
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Laurentia

paleocontinent

Learn about this topic in these articles:

Assorted References

paleogeography of

    • Cambrian Period
      • geologic time
        In Paleozoic Era: Paleozoic geography

        Laurentia, a craton primarily made up of present-day North America and Greenland, was rotated 90° clockwise from its present orientation and sat astride the paleoequator during Cambrian times. Laurentia was separated from Gondwana by the Iapetus Ocean. The smaller Baltica craton was positioned within the…

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      • Cambrian paleogeography
        In Cambrian Period: Paleogeography

        …province surrounded the continent of Laurentia. Paleomagnetic evidence indicates that Laurentia was located over the paleoequator during most or all of Cambrian time. This geographic interpretation is supported by the presence of thick, warm-water carbonate-platform deposits that accumulated in a broad belt encircling the continent. These carbonates are commonly flanked…

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    • Ordovician Period
      • Ordovician paleogeography
        In Ordovician Period: Paleogeography

        …portion of a continent) of Laurentia—made up of most of present-day North America, Greenland, and part of Scotland—straddled the Equator and was rotated approximately 45° clockwise from its present orientation. The craton made up of Siberian and Kazakhstania (which is also called Siberia-Kazakhstan) lay east of Laurentia, along and slightly…

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    • Silurian Period
      • Silurian paleogeography
        In Silurian Period: Laurentia

        Much of North America (including Greenland), northwestern Ireland, Scotland, and the Chukotskiy Peninsula of northeastern Russia belonged to the paleocontinent Laurentia (a name derived from Quebec’s portion of the Canadian Shield). With respect to the present-day Great Lakes and Hudson Bay, Laurentia was rotated…

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