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cherty nodules occur near the top.","economicResources":"","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[72.7781,31.9369]},"properties":{"id":"chak-102-conglomerate","name":"Chak 102 Conglomerate","url":"https://stratigraphy.pk/formation/chak-102-conglomerate","rank":"formation","era":"Precambrian","period":"Precambrian","age":"Neoproterozoic","basin":"Indo-Pakistan Shield","region":"","provinces":"Indo-Pakistan Shield","lithology":"Conglomerate, dull rusty brown, with slate intercalations; pebbles of quartzite, slate and limestone in a calcareous matrix.","economicResources":"","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[75.730494,35.427046]},"properties":{"id":"shigar-group","name":"Shigar Group","url":"https://stratigraphy.pk/formation/shigar-group","rank":"group","era":"Mesozoic","period":"Cretaceous–Paleogene","age":"Cretaceous–Eocene","basin":"Kohistan-Ladakh Magmatic Arc","region":"Ladakh Magmatic Arc","provinces":"Kohistan Arc","lithology":"Siltstones, schists, slates and phyllites with quartzitic sandstone intercalations (Katzarah schists).","economicResources":"","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[68.3211,30.5478]},"properties":{"id":"spingwar-formation","name":"Spingwar Formation","url":"https://stratigraphy.pk/formation/spingwar-formation","rank":"formation","era":"Mesozoic","period":"Triassic","age":"Triassic–Jurassic","basin":"Kirthar Basin","region":"Western Kirthar (Balochistan)","provinces":"Kirthar Range","lithology":"Interbedded grey to black crystalline limestone, oolitic and shelly in places, with calcareous shale and sandstone interbeds in the lower part.","economicResources":"","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[70.0167,31.4333]},"properties":{"id":"sulaiman-group","name":"Sulaiman Group","url":"https://stratigraphy.pk/formation/sulaiman-group","rank":"group","era":"Mesozoic","period":"Jurassic","age":"Jurassic","basin":"Sulaiman Basin","region":"","provinces":"Sulaiman Fold Belt","lithology":"Crystalline and oolitic shelf limestone (Shirinab members and Chiltan) with an overlying ironstone (Dilband).","economicResources":"Reservoir; Metals & minerals","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[74.19,34.77]},"properties":{"id":"surgun-group","name":"Surgun Group","url":"https://stratigraphy.pk/formation/surgun-group","rank":"group","era":"Paleozoic","period":"Carboniferous–Mesozoic","age":"Late Palaeozoic to Mesozoic (cover sequence)","basin":"Northern Indus Suture","region":"Hazara-Kashmir Syntaxis, Kaghan Nappe And Nosehri Area Of Lower Neelum And Lamnian Area Of Upper Jhelum, Azad Kashmir","provinces":"Azad Kashmir","lithology":"","economicResources":"","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[72.7,31.9333]},"properties":{"id":"taguwali-formation","name":"Taguwali Formation","url":"https://stratigraphy.pk/formation/taguwali-formation","rank":"formation","era":"Precambrian","period":"Neoproterozoic","age":"Neoproterozoic","basin":"Indo-Pakistan Shield","region":"","provinces":"Indo-Pakistan Shield","lithology":"Cross-bedded quartzites, phyllites and slates in the lower part; slates in the middle; phyllites and slates in the upper part. Overlain by the Asianwala quartzite.","economicResources":"","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[62.5113,25.9842]},"properties":{"id":"talar-formation","name":"Talar Formation","url":"https://stratigraphy.pk/formation/talar-formation","rank":"formation","era":"Cenozoic","period":"Neogene","age":"Late Miocene (Messinian; ~6.7-5.3 Ma)","basin":"Balochistan Basin","region":"Makran-Siahan Basin, Wazhdad Arc And Mashkel/Kharan Basin","provinces":"Makran Coast","lithology":"Clayey sandstone; sandstone, shale and mudstone.","economicResources":"Reservoir","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[76.168635,35.319442]},"properties":{"id":"thalle-limestone","name":"Thalle Limestone","url":"https://stratigraphy.pk/formation/thalle-limestone","rank":"formation","era":"Paleozoic","period":"Ordovician","age":"Ordovician","basin":"Karakoram-Hindukush Basin","region":"Central Karakoram Batholith","provinces":"Karakoram","lithology":"Crystalline limestone (marble).","economicResources":"","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[70.1167,31.4833]},"properties":{"id":"toi-formation","name":"Toi Formation","url":"https://stratigraphy.pk/formation/toi-formation","rank":"formation","era":"Cenozoic","period":"Paleogene","age":"Eocene","basin":"Sulaiman Basin","region":"","provinces":"Sulaiman Fold Belt","lithology":"Interbedded coarse, pebbly, cross-bedded sandstone and brown mudstone, siltstone, shale and conglomerate, with locally developed coal seams.","economicResources":"Coal & lignite","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[70.2667,31.0667]},"properties":{"id":"vihowa-formation","name":"Vihowa Formation","url":"https://stratigraphy.pk/formation/vihowa-formation","rank":"formation","era":"Cenozoic","period":"Neogene","age":"Miocene","basin":"Sulaiman Basin","region":"","provinces":"Sulaiman Fold Belt","lithology":"Grey and brown sandstone with subordinate red to brownish-red sandy siltstone; mudstone-rich in the lower part.","economicResources":"Coal & lignite; Metals & minerals","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[70.2667,31.0667]},"properties":{"id":"vihowa-group","name":"Vihowa Group","url":"https://stratigraphy.pk/formation/vihowa-group","rank":"group","era":"Cenozoic","period":"Paleogene–Neogene","age":"Oligocene–Pliocene","basin":"Balochistan Basin","region":"Kakar-Khurasan Basin","provinces":"Zhob-Muslim Bagh","lithology":"Fluvial sandstone, mudstone and conglomerate (molasse).","economicResources":"Building stone; Metals & minerals","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[74.36669,36.816267]},"properties":{"id":"yashkuk-formation","name":"Yashkuk Formation","url":"https://stratigraphy.pk/formation/yashkuk-formation","rank":"formation","era":"Mesozoic","period":"Jurassic","age":"Jurassic","basin":"Karakoram-Hindukush Basin","region":"Central Karakoram Batholith","provinces":"Karakoram","lithology":"A lower unit of fine-grained, reddish, cross-laminated and ripple-marked sandstone with mud cracks and raindrop prints, overlain by pelite, marly limestone, oolitic calcarenite and oncoidal/cherty limestone.","economicResources":"","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[71.9365,32.5084]},"properties":{"id":"zaluch-group","name":"Zaluch Group","url":"https://stratigraphy.pk/formation/zaluch-group","rank":"group","era":"Paleozoic","period":"Permian","age":"Permian","basin":"Kohat-Potwar Basin","region":"","provinces":"Kohat Basin","lithology":"Marine limestone, dolomite, sandstone and shale — the Amb, Wargal and Chhidru formations (formerly the lower, middle and upper Productus Limestone).","economicResources":"Cement & lime; Building stone","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[73.05,33.73]},"properties":{"id":"margala-hill-limestone","name":"Margala Hill Limestone","url":"https://stratigraphy.pk/formation/margala-hill-limestone","rank":"formation","era":"Cenozoic","period":"Paleogene","age":"Early Eocene (Ypresian)","basin":"Kohat-Potwar Basin","region":"Hazara and Kala Chitta ranges; Margalla Hills (Islamabad); Hazara-Kashmir Syntaxis","provinces":"Hazara Basin; Potwar Basin; Kohat Basin; Azad Kashmir","lithology":"Grey to dark grey (weathering pale grey), nodular, medium- to thick-bedded and massive limestone with subordinate marl and shale.","economicResources":"Reservoir; Cement & lime; Building stone","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[70.175,33.0417]},"properties":{"id":"marsikhel-formation","name":"Marsikhel Formation","url":"https://stratigraphy.pk/formation/marsikhel-formation","rank":"formation","era":"Mesozoic","period":"Cretaceous","age":"Early to Middle Cretaceous (Barremian-Albian; ~126.5-106.85 Ma)","basin":"","region":"","provinces":"Sulaiman Fold Belt","lithology":"Clayey limestone. It consists of light grey to dark grey, thin to medium-bedded limestone and greenish grey shale. In the lower portion, the limestone is micritic and arenaceous at places, and within the limestone alternate layers of light green shale are present, which are rich in belemnites. Ferruginous and calcareous sandstone is also present near the base.","economicResources":"","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[70.1097,32.9056]},"properties":{"id":"sarobi-formation","name":"Sarobi Formation","url":"https://stratigraphy.pk/formation/sarobi-formation","rank":"formation","era":"Mesozoic","period":"Jurassic","age":"Early to Middle Jurassic (Pliensbachian-Bajocian; ~192.9-168.17 Ma)","basin":"","region":"","provinces":"Sulaiman Fold Belt","lithology":"Clayey limestone. The formation comprises a sequence of alternating limestone and shale. At the type locality, its lower part is predominantly limestone, while the upper part is shale. The limestone is thin bedded, occasionally thick bedded, micritic and grey to dark grey; it weathers to brownish grey and yellowish brown color. The limestone is very hard and forms ridges. It is fine crystalline t…","economicResources":"","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[70.1292,32.9292]},"properties":{"id":"spalga-formation","name":"Spalga Formation","url":"https://stratigraphy.pk/formation/spalga-formation","rank":"formation","era":"Mesozoic","period":"Triassic","age":"The assigned Late Triassic age is based on stratigraphic position and lithological similarity to Late Triassic rocks of the Axial Belt (Carnian-Norian; ~237-216.52 Ma)","basin":"","region":"","provinces":"Sulaiman Fold Belt","lithology":"Fine-grained sandstone. The formation consists of sandstone, siltstone and shale. The sandstone is light to dark grey and weathers to rusty brown color. It is fine to medium grained, thin to medium bedded and exhibit circular rims due to color variation called as liasegang. Slump structures and worm burrows are commonly found in the sandstone beds. The shale is greenish grey and weathers to brown…","economicResources":"","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[72.1667,36.2167]},"properties":{"id":"charun-quartzite","name":"Charun Quartzite","url":"https://stratigraphy.pk/formation/charun-quartzite","rank":"","era":"Paleozoic","period":"Devonian","age":"Middle Devonian (uppermost beds mid-Givetian)","basin":"","region":"","provinces":"Hindukush-Chitral; Karakoram","lithology":"Quartzarenites, more heterolithic than the name implies (with subordinate finer clastics); deposited by turbidity currents.","economicResources":"","status":"published"}}]}