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Tiger Chert (NW Colorado / SW Wyoming)

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  • Tiger Chert (NW Colorado / SW Wyoming)

    Tiger Chert

    Tiger Chert, is one of my favorite lithics, a northwest Colorado / southwest Wyoming material.

    I have seen very few points made from this lithic, It may be from the small quarry with a small distribution of the lithic. It could be the nature of the material its self with the bands rendered it weak along the bands. I have seen more in tools such as scrapers more predominate. This lithic has a long history of use, dating back to Clovis (Paleo era artifacts)found at the Mahaffy Cache in Boulder Colorado.

    Here is a link, note the pic on the forefront of the Tiger chert blade. Rare Clovis artifacts document Boulder's prehistory - Boulder Daily Camera:

    Many of the natural tabs are thin and flat. Some of the Zebra Flint has very obvious bands before it is knapped. After a blade or point is knapped some flintknappers have placed the blade in direct sunlight for one or two months to bring out the bands. I have included six pictures showing obvious bands and six pictures that don't show the bands. This lithic material is known by many names including; Oil Chert, Tiger Chert, Bridger Basin Chert and Green River Chert.

    Here are a few artifacts and lithics, personal finds.

    Following photos courtesy of Ron Kelley
    Click image for larger version  Name:	Tiger Chert 14.jpg Views:	2 Size:	791.7 KB ID:	263336
    Click image for larger version  Name:	Tiger Chert 16.jpg Views:	2 Size:	486.0 KB ID:	263334Click image for larger version  Name:	Tiger Chert 17.jpg Views:	2 Size:	533.6 KB ID:	263335

    Last edited by Ron Kelley; 09-01-2017, 07:39 PM.
    Look to the ground for it holds the past!

  • #2
    Additional pieces of Tiger chert
    Click image for larger version  Name:	1.jpg Views:	1 Size:	727.3 KB ID:	266898

    Click image for larger version  Name:	3.jpg Views:	1 Size:	659.4 KB ID:	266900
    Samples and Photos courtesy of Ron Kelley
    Searching the fields of Northwest Indiana and Southwestern Michigan