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. OK , got . it Hey , thanks for coming . Would you mind signing in Posterous Blog Back to posts Viewed times May 30, 2011 Young' lava in Oklahoma The Raton-Clayton Volcanic Field . Edit Delete Tags Autopost Some really nice shots of obviously inverted topography related to basalt flows in the Raton-Clayton Volcanic field . Forgot that late Cenozoic volcanism was so widespread in this area and so close to Oklahoma my home' state Yikes . Finally learned that Black Mesa , Okla's highest point , is part of the volcanic field . Also found that , gasp , the lava flow at Black Mesa , OK is often listed as 180 million years old on various internet sites . Obviously that is not the case . More like 4-5 million . Pretty sure the erroneous date applies to underlying rocks . Rock on , wikipedia Read