. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Lower Triassic of West Pakistan • Ktimmel 409 Thickness Feet 5. Limestone, gray, hard, contains brachiopods, crinoid remains, ci- derid spines, teeth and bone frag- ments 4. Dolomite hke bed 3, but harder; contains fossil fragments 3. Dolomite, tan, fine-grained, thin- bedded, shaly, unit soft 2. Dolomite, tan, medium to massively bedded, sandy in lower part; con- tains fossil fragments 1. Dolomite, tan, mottled, sandy, hard, massive Total Total Mianwali Formation CHHIDRU FORMATION (Uppe
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Lower Triassic of West Pakistan • Ktimmel 409 Thickness Feet 5. Limestone, gray, hard, contains brachiopods, crinoid remains, ci- derid spines, teeth and bone frag- ments 4. Dolomite hke bed 3, but harder; contains fossil fragments 3. Dolomite, tan, fine-grained, thin- bedded, shaly, unit soft 2. Dolomite, tan, medium to massively bedded, sandy in lower part; con- tains fossil fragments 1. Dolomite, tan, mottled, sandy, hard, massive Total Total Mianwali Formation CHHIDRU FORMATION (Upper Permian) 00. Sandstone, white, fine-grained, fri- able, with echinoderm fragments and poorly preserved pelecypods 0. Limestone, gray, sandy, with abun- dant bellerophons, productids, and other typical Permian forms Stratigraphic section of Triassic formations exposed in Nammal Gorge, Salt Range, West Pakistan (Figs. 16, 17, 18). Bed No. TREDIAN FORxVIATION (PLower and PMiddle Triassic) Khatkiara Member 44. Sandstone, white, massive Landa Member 43. Sandstone, tan to red, thin-bedded to massive, parts laminated, con- tains ripple marks and abundant slump structures 42. Sandstone, tan, red in part, mas- sive, cross-bedded, alternating with sandy, micaceous shale containing plant fragments 41. Shale like bed 39 but with fewer and thinner hard beds Total MIANWALI FORMATION (Lower Triassic) Narmia Member 40. Dolomite, gray, sandy in part, mas- sive, weathers rust-brown, one in- complete and poorly preserved am- monite collected 39. Shale, gray and black, with several one-foot beds of gray, sandy lime- stone that weather rust-brown 38. Sandstone, pink, massive, in part laminated, weathers rust-brown, no fossils seen jTredian Fm (Triassic) Mionwali Fm (L Triassic) tSSSi Chhidru Fm (U Permian) Mountain front Scole of miles Figure 16. Locality map of Nammal Gorge, Salt Range, West Pakistan showing distribution of late Permian and Triassic format
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Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology
