{"type":"FeatureCollection","name":"Pakistan Stratigraphy Explorer — Indo-Pakistan Shield (Precambrian Craton) type localities","license":"CC BY 4.0","source":"https://stratigraphy.pk","generated":"2026-10-29","features":[{"type":"Feature","geometry":{"type":"Point","coordinates":[72.88,34.92]},"properties":{"id":"besham-group","name":"Besham Group","url":"https://stratigraphy.pk/formation/besham-group","rank":"","era":"Precambrian","period":"Archean-Paleoproterozoic","age":"Archean to Paleoproterozoic (>1800 Ma)","basin":"","region":"","provinces":"Hazara Basin; Indo-Pakistan Shield","lithology":"Granitic, biotite-rich orthogneiss together with metasedimentary gneiss, schist, metapsammite, marble and amphibolite, with komatiitic metavolcanics.","economicResources":"Metals & minerals","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":[72.98,31.72]},"properties":{"id":"chiniot-granite","name":"Chiniot Granite","url":"https://stratigraphy.pk/formation/chiniot-granite","rank":"","era":"Precambrian","period":"Neoproterozoic","age":"Precambrian (850-900 Ma)","basin":"","region":"","provinces":"Sindh Province; Indo-Pakistan Shield","lithology":"Pink biotite granite, aplite, pegmatite","economicResources":"","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[72.7,31.9025]},"properties":{"id":"hachi-group","name":"Hachi Volcanic Group","url":"https://stratigraphy.pk/formation/hachi-group","rank":"group","era":"Precambrian","period":"Neoproterozoic","age":"Neoproterozoic","basin":"Indo-Pakistan Shield","region":"","provinces":"Indo-Pakistan Shield","lithology":"Quartzite, slates, phyllite, tuffs and lava flows (the Hachi volcanics).","economicResources":"","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[72.7,31.95]},"properties":{"id":"kirana-group","name":"Kirana Group","url":"https://stratigraphy.pk/formation/kirana-group","rank":"group","era":"Precambrian","period":"Neoproterozoic","age":"Precambrian (870 ± 40 Ma)","basin":"","region":"","provinces":"Sindh Province; Potwar Basin; Indo-Pakistan Shield","lithology":"Rhyolite, rhyolitic tuff, andesite, granite, diorite, gabbro","economicResources":"Building stone","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[73.64,33.14]},"properties":{"id":"mangla-gneiss","name":"Mangla Gneiss","url":"https://stratigraphy.pk/formation/mangla-gneiss","rank":"","era":"Precambrian","period":"Paleoproterozoic","age":"Precambrian (Paleoproterozoic)","basin":"","region":"","provinces":"Azad Kashmir; Indo-Pakistan Shield","lithology":"Biotite gneiss, quartzofeldspathic gneiss, amphibolite","economicResources":"","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[70.71,24.35]},"properties":{"id":"nagarparkar-complex","name":"Nagarparkar Igneous Complex","url":"https://stratigraphy.pk/formation/nagarparkar-complex","rank":"","era":"Precambrian","period":"Neoproterozoic","age":"Precambrian (Malani Igneous Suite, ~750-770 Ma)","basin":"","region":"","provinces":"Sindh Province; Indo-Pakistan Shield","lithology":"Granite, rhyolite, basalt, granophyre","economicResources":"Building stone","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[68.31,25.52]},"properties":{"id":"petaro-ridge-basement","name":"Petaro-Hyderabad Ridge","url":"https://stratigraphy.pk/formation/petaro-ridge-basement","rank":"","era":"Precambrian","period":"Proterozoic","age":"Precambrian","basin":"","region":"","provinces":"Sindh Province; Indo-Pakistan Shield","lithology":"Crystalline basement (granite, gneiss — subsurface)","economicResources":"Reservoir","status":"published"}},{"type":"Feature","geometry":{"type":"Point","coordinates":[72.67,32.08]},"properties":{"id":"sargodha-ridge-basement","name":"Sargodha Ridge Basement","url":"https://stratigraphy.pk/formation/sargodha-ridge-basement","rank":"","era":"Precambrian","period":"Archean-Proterozoic","age":"Precambrian (Archean-Proterozoic)","basin":"","region":"","provinces":"Indo-Pakistan Shield","lithology":"Granite, gneiss, schist, quartzite (subsurface)","economicResources":"Other","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"}}]}