Accepted Answer
Sedimentary rocks are more difficult to directly date than igneous or metamorphic rocks because it usually is composed of sediments of pre-existing rocks.Sedimentary rocks are usually formed by the accumulation and deposition of minerals and organic matter on the Earth’s surface. Apart from metamorphic or igneous rocks sedimentary rock consists of lose grains which takes a long time to solidify.Hence, sedimentary rocks, even though dated would include ages of different rocks that had gone through the process of weathering to produce sedimentary rocks.To know more about sedimentary rocks visit:https://brainly.com/question/5755510#SJP4