This printable crossword puzzle on the topic of Rocks & Minerals has 12 clues. Answers range from 9 to 28 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
refers to the age of a rock, fossil, geologic feature, or event relative to other rocks, fossils, features, or events.
refers to the geologic age of a rock, fossil, feature, or event given in units of time, usually years.
Scientists commonly determine an object’s absolute age using this
the process during which rocks are formed, change, wear down, and are formed again over long periods of time
the scientific law stating that, in undisturbed rock layers, each layer is younger than the layer beneath it, and older than the layer above it
the scientific law stating that sedimentary layers extend horizontally outward in all directions until they terminate
the scientific law stating that inclusions or fragments in a rock unit are older than the rock unit itself
the ordering of sedimentary layers of rock with the oldest on the bottom and the youngest on top
an unconformity in which younger sediments have been deposited on top of the eroded surface of tilted or folded older rock layers
an unconformity in which the rock layers are parallel
an unconformity in which sedimentary rock layers overlie an erosion surface cut into igneous or metamorphic rocks
the remains of organisms that typically have three characteristics.