Page 15 - flint1939

10.

The individual beds becc~e very lenticular and 202e _hew a

Plate IV A cliff in Bouquet Canyon showing

the lensing out of an ash bed

The san~stonec of the ~int ~2nyon are very arkosic ~ith

felds~ar predominating over quartz in sooe caees. The range

in grain size frc;:: silt stone::- to conglo::iers.te s -::~-th E '!:"diur,

cccrse srained average. Some cf the beds are very ~icacecus

and all carry some =ica. 2cTe of the s~ndstonrs, especially

tho:,·e in the lo 1 .·1er zone have c.,Hiy concretions. The cerrienting

mediu~ in the ccncreti:n cf t~e lower zones see~s to be iron

oxide, snd where concretions occur in the hi::-)ler zcne it

see'11.E to be gypsum. As a rule the sandstones in the ?:int

Canyon are very ~,oorly li thifies end generElly s'r~c':: little

ce~entation. The compaction in the sandstones is rroderate and