Sagot :
Answer:
Uranium-Lead
Uranium-Lead (U-PB) system
This system is highly favoured for accurate dating of igneous and metamorphic rocks, through many different techniques.
Explanation:
brainliest
Igneous rocks are formed from melted rock deep inside the Earth. Sedimentary rocks are formed from layers of sand, silt, dead plants, and animal skeletons. Metamorphic rocks formed from other rocks that are changed by heat and pressure underground.