Nellie Blue Chert / Flint
(Upper Mercer Chert variation)
Description of Physical Characteristics:
Color: Nellie
Blue is a dull gray to medium blue and commonly has white streaks.
Texture: Fine Grain
Luster: The luster may range from dull to
waxy with a
glassy vitreous when heat treated.
Silica Fabrics / Fossils:
Patina:
Heat Treatment: Heat treatment darkens
the blues and gives a glassy vitreous sheen.
Knapping:
Distribution:
Distribution Comments:
Nellie Blue is a variation of the Upper Mercer Chert and is associated
with the Upper Mercer Limestone of the Pottsville group. Primary
outcroppings are located in central and southeastern Ohio.
Pictures Provided By:
References: (See Reference Page, Entry Number):
W23
Nellie Blue Chert
Commonly made projectile point from this material:
Paleo period points
Archaeological Context:
