GEO 102 Lecture 17 Outline of Last Lecture I. Life of a RockOutline of Current Lecture II. What is Ichnology?III. The holy trinity of IchnologyIV. Prehistory of IchnologyV. Limits of IchnologyCurrent LectureWhat is Ichnology?- Study of traces- Neoichnology- study of modern traces- Paleoichnology- study of fossil traces (trace fossils, ichnofossils) o Examples: footprints, tooth marks, nests, burrows, cocoons, and trailsThe Holy Trinity of Ichnology- Substrate- whatever is preserving the trace- Anatomy- Behavior- the living animal of the trace- One trace maker can make a variety of tracesPrehistory of Ichnology- Ichnology (as tracking) is among the oldest of sciences- Tracking developed and honed by indigenous peoples of Africa, Australia, and North AmericaWhat is it good for?- To date- They indicate certain ecosystems - Show animal or plant presence- Most traces are in place. That’s where the animal walked or where it wasThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.- Cultivates and expands awarenessLimits of Ichnology- Trace makers not always identified- Trace fossils might have been made by organisms with no modern analogue - Often do not co-occur with body fossils of trace makers- Potential for too much
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