Relative dating geology definition

Relative dating is the science of determining the relative order of past events without necessarily determining their absolute age (i.e.
Table of contents



What does relative dating mean?

This follows due to the fact that sedimentary rock is produced from the gradual accumulation of sediment on the surface. Therefore newer sediment is continually deposited on top of previously deposited or older sediment. In other words, as sediment fills a depositional basins we would expect the upper most surface of the sediment to be parallel to the horizon. Subsequent layers would follow the same pattern. As sediment weathers and erodes from its source, and as long as it is does not encounter any physical barriers to its movement, the sediment will be deposited in all directions until it thins or fades into a different sediment type.


  1. Geology Online Subchapter.
  2. .
  3. .
  4. !

For purposes of relative dating this principle is used to identify faults and erosional features within the rock record. The principle of cross-cutting states that any geologic feature that crosses other layers or rock must be younger then the material it cuts across.

Geologic Age:

Using this principle any fault or igneous intrusion must be younger than all material it or layers it crosses. Once a rock is lithified no other material can be incorporated within its internal structure. In order for any material to be included within in the rock it must have been present at the time the rock was lithified. For example, in order to get a pebble inside an igneous rock it must be incorporated when the igneous rock is still molten-- such as when lava flows over the surface.


  • russian dating website fails.
  • Relative dating - Wikipedia.
  • ?
  • What is the definition of relative dating? | ehofuleqeg.tk;
  • divorced dating app.
  • Therefore, the piece, or inclusion, must be older than the material it is included in. Lastly the Principle of Fossil Succession. Ocean Drilling as Evidence for Plate Tectonics.

    Navigation menu

    Absolute Time in Geology. What is Relative Age? Major Triggers for Mass Wasting: Base Level of a Stream: Classification of Metamorphic Rocks: Introduction to Physical Geology: Intro to Natural Sciences. Middle School Earth Science: Weather and Climate Science: UExcel Weather and Climate: Guns, Germs, and Steel Study Guide. Holt McDougal Introduction to Geography: Ask a question Our experts can answer your tough homework and study questions. Ask a question Ask a question.


    • ?
    • .
    • truth about lying in online dating profiles.
    • Explore our homework questions and answer library Search. Browse Browse by subject. Our tutors are standing by Ask a study question and one of our experts will send you an answer within hours. Your question has been submitted! Get a text message when your answer is ready Get Text Alerts Edit your number in account settings. Get a text message when your answer is ready Phone Number is required.

      What is the definition of relative dating?

      Phone Number is invalid. Your question has been submitted. Start your subscription to receive your answer and much more.

      Relative Dating

      How do you want to receive your answer? What best describes you? Choose one Student Teacher Parent Tutor.

      Relative dating

      What's your main goal? Choose a goal Study for class Earn college credit Research colleges Prepare for an exam Improve my grades Other Choose a goal Supplementing my in-classroom material Assigning my students material Teacher certification exam prep Professional development Other Choose a goal Helping my child with a difficult subject Personal review to better assist my child Improving my child's grades My child is studying for a credit granting exam Just for fun Other.

      Your goal is required.