. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Lower Triassic of West Pakistan • Kummcl 405 Thickness (in feet) Stratigraphic section of basal part of the Triassic Mianwali Formation exposed in Munta Nala, west of Wargal, Salt Range, West Pakistan (Figs. 10-13). Bed No. MIANWALI FORMATION (Lower Triassic) Mittiwali Member (lower part) 16. Limestone, gray, fine- to medium- grained; very fossiliferous, with small pectinid pelecypods, am- monoids (Gyronites, etc.) and fish remains 15. Shale, gray 14. Limestone, yellow-gray, thin- bedded; with numerous ammonoids (Gyro


. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Lower Triassic of West Pakistan • Kummcl 405 Thickness (in feet) Stratigraphic section of basal part of the Triassic Mianwali Formation exposed in Munta Nala, west of Wargal, Salt Range, West Pakistan (Figs. 10-13). Bed No. MIANWALI FORMATION (Lower Triassic) Mittiwali Member (lower part) 16. Limestone, gray, fine- to medium- grained; very fossiliferous, with small pectinid pelecypods, am- monoids (Gyronites, etc.) and fish remains 15. Shale, gray 14. Limestone, yellow-gray, thin- bedded; with numerous ammonoids (Gyronites, etc.) 13. Limestone, light-gray, dense, hard, glauconitic, weathers brown 12. Limestone, very light gray, irregu- lar texture, contains large pelecy- pods, fragments of ammonites, fish teeth Kathwai Member 11. Sandstone, gray, massive, with a few one-inch calcareous beds 10. Limestone, pinkish-gray, fine- grained; unit begins with four inches of grayish-black shale, fol- lowed by three inches of lenticular hmestone, then one foot of lami- nated to thin-bedded sandstone, then limestone; contains small pec- tinids, ammonoids (Ophiceras?), and fish teeth 9. Dolomite, light gray, massive, weathers iron-brown; contains shell fragments, rhynchonellid brachiopods, eumorphotid pelecy- pods, ammonites (Ophiceras?), cidarid spines, fish teeth 8. Shale, dark gray, with laminae of fine, tan sandstone, contains poorly preserved brachiopods, Campy- lites?, and pelecypods -^sssa Dhak Pass Fm. (Paleocene) nMianwali Fm J (LTriassic) Chhidru Fm •l(U Permian) Scale of miles Figure 10. Locality map of Munfo Nala (Wargal region), Salt Range, West Pakistan showing distribution of later Permian and Triassic formations. Geologic data from unpublisfied map by E. R. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfe


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Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology