Answer:
Igneous rocks found in Bhutan is together with the border area in that eastern Himalayas region.
Step-by-step explanation:
Geologic research in the nation of Bhutan is southwest by regional mapping by the geological survey of Indian nation.
Rocks Paleozoic and Precambrian rocks often older mixed together with rocks sediments to the oldest rocks in Bhutan part of basement of a fore land basin.
Rocks are to Permian and Paleozoic with coal seams and plant,included the north of that rocks are in to parts of the Indian shield on one billion years.
Foundation of the marble and lying atop crystalline rocks overlain and limestone,Bhutan is the small deposits in the limestone in the locally cement industry.
Sedimentary rocks are they dolomite and quart several kilo meters,and the rocks are fold and faulted an covered in sediments with sandstone, in the southeast.
Geologists have they rocks are older then 400 to 500 million years ago.