2 examples of relative dating

ANSWER: Relative dating is used to determine the relative ages of geologic strata, artifacts, historical events, etc.Seriation uses the assumption that once a tool was developed, its use would become more widespread.As a member, you'll also get unlimited access to over 55,000 lessons in math, English, science, history, and more.Plus, get practice tests, quizzes, and personalized coaching to help you succeed.The concept is considered by uniformitarian geologists to be a major breakthrough in scientific reasoning by establishing a rational basis for relative time measurements.However, unlike tree-ring dating -- in which each ring is a measure of 1 year's growth -- no precise rate of deposition can be determined for most of the rock layers.

We'll explore both relative and numerical dating on our quest to understand the process of geological dating.

Stratigraphy uses the assumption that higher layers or strata were laid down after lower layers.

Ice core sampling normally uses the assumption that the ring bands observed represents years.

These strata make up much of the famous prominent rock formations in widely spaced protected areas such as Capitol Reef National Park and Canyonlands National Park.

From top to bottom: Rounded tan domes of the Navajo Sandstone, layered red Kayenta Formation, cliff-forming, vertically jointed, red Wingate Sandstone, slope-forming, purplish Chinle Formation, layered, lighter-red Moenkopi Formation, and white, layered Cutler Formation sandstone.

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