Jahangir

Sedimentary rocks in Pakistan range in age from Precambrian to Miocene i. e from oldest to youngest on the geological time scale form 542 one million million million years to latest. Luckily for geoscientists all of them ar exposed in contrasting parts of the country. Lithologically they constitute sandstone, limestone, shale and mixed lithologies of them all. These rocks are exposed all along the mountain ranges from Islamabad in north to Karachi in the south. Igneous rocks are exposed north of Peshawar or only at Nagarparker in the southeasterly corner of the country.You better study Stratigraphy and historical geology of Pakistan by Kazmi and Abbasi (2008), which will fork up you a full knowledge about the rocks in Pakistan. Geology and tectonics of Pakistan by Kazmi and Jan (1997) also gives details of distribution of ores and minerals in different parts of the country. name calling de Mergel en marl Description Marl is a sedimentary rock made of clay and limestone, which be longs to the family of pelitic rocks (clays