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  2. Taconic orogeny - Wikipedia

    en.wikipedia.org/wiki/Taconic_Orogeny

    The "Taconic Unconformity" is an angular unconformity exposed from eastern New York State to the Gaspe peninsula. As the Taconic orogeny subsided in early Silurian time, uplifts and folds in the Hudson Valley region were beveled by erosion. Upon this surface sediments began to accumulate, derived from remaining uplifts in the New England region.

  3. List of orogenies - Wikipedia

    en.wikipedia.org/wiki/List_of_orogenies

    Taconic orogeny. Algoman orogeny, also known as Kenoran orogeny – Late Archaean episode of mountain building in what is now North America – Superior province, South Dakota to Lake Huron, late Archean Eon (2700–2500 Ma) Wopmay orogeny – Mountain-building event in northern Canada – Along western edge of Canadian shield, (2100–1900 Ma)

  4. Taconic unconformity - Wikipedia

    en.wikipedia.org/wiki/Taconic_unconformity

    The Taconic Unconformity, near Catskill, NY. The Taconic unconformity is a major unconformity created during the Taconic orogeny, exposed from eastern New York State to the Gaspe peninsula. [1] The orogeny was a long one that comprised multiple bursts; it primarily dated to the end of the Ordovician, and the underlying rocks are primarily this age.

  5. File:Taconic Ridge view outside The Hub, Copake, New York.jpg

    en.wikipedia.org/wiki/File:Taconic_Ridge_view...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Help; Learn to edit; Community portal; Recent changes; Upload file

  6. Tectonic phase - Wikipedia

    en.wikipedia.org/wiki/Tectonic_phase

    Any angular unconformity is proof that a tectonic phase took place between the deposition of the layers below and on top of it. It is important to know if the tectonic phase was a longer event or if it was local or regional. Tectonic phases can be important events that affected large areas.

  7. Acadian orogeny - Wikipedia

    en.wikipedia.org/wiki/Acadian_orogeny

    The Acadian orogeny is a long-lasting mountain building event which began in the Middle Devonian, reaching a climax in the Late Devonian. [1] It was active for approximately 50 million years, beginning roughly around 375 million years ago (Ma), with deformational, plutonic, and metamorphic events extending into the early Mississippian. [2]

  8. Taconite - Wikipedia

    en.wikipedia.org/wiki/Taconite

    Taconite (/ ˈ t æ k ən aɪ t /) is a variety of banded iron formation, an iron-bearing (over 15% iron) sedimentary rock, in which the iron minerals are interlayered with quartz, chert, or carbonate.

  9. Taconic - Wikipedia

    en.wikipedia.org/wiki/Taconic

    Taconic can refer to a location in the United States: Taconic, Connecticut , an unincorporated community in rural Litchfield County, Connecticut Taconic Correctional Facility , a medium security women's prison in Bedford Hills, New York

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