EARTHQUAKES. OTHER EARTHQUAKE FEATURES. TECTONIC CREEP. Fault has continuous movement over time. ... Focus of Earthquake. GEOPHYSICAL PROPERTIES OF THE EARTH ...
Geologic Time Relative vs. Absolute Time Stratigraphy and Relative Time Relationships Unconformities and Gaps in Stratigraphic Record Stratigraphic Correlation
Lecture 10 Stratigraphy and Geologic Time Stratigraphy Basic principles of relative age dating Unconformities: Markers of missing time Correlation of rock units ...
Abundant unconformities reflecting the times of vertical movement Isostacy: why portions of the Earth s crust are at different elevations How collision builds ...
Lithofacies = a consistent lithologic character within a formation. ... Major unconformities representing Earth's broad tectonic or eustatic events. Sloss (1963) ...
Time and Geology The Key to the Past Relative Time- this rock is older than that Principles Used to Determine Relative Age Unconformities Correlation The ...
Rocks, fossils, and time. Chapter 5. continued. Last class. Stratigraphy. Unconformities ... Easiest for critter with hard parts (shells, bones, teeth) ...
... unconformities, and correlation of rock units and fossils ... by fossils ... appearance of complex life; many fossils. Geologic Time Scale. Mesozoic era ...
Law of Superposition. Uniformitarianism. Unconformities. Absolute Time ... Molecular Clocks. Paleobiology The History of Life. Origin of Life. History of Life ...
Often plutons are many km below the surface. Review of Unconformities ... 1) formation of pluton deep underground. 2) erosion of several km of overlying rock ...
Title: Chapter 8: Major Elements Author: John D Winter Last modified by: John D Winter Created Date: 1/27/1997 12:16:50 AM Document presentation format
Geochronology - Key . Title: RELATIVE DATING: Determining whether an object or an event is older or younger than other objects or events. Author: Troy Haney
the fundamental principle that geological processes and natural ... Cosmogenic. Radioactive Decay Systems. Radioactive Decay Systems. 238U 206Pb. Absolute Time ...
Agents of What do fossils show? How can rock layers change? How do fossils form? How old are rock layers? 100 100 100 100 100 200 200 200 200 200 300 300 300
Unit 5: Age of the Earth Objective: E5.3D Describe how index fossils can be used to determine time sequence. E5.3g Identify a sequence of geologic events using ...
Principle of Original Horizontality. Principle of Original Continuity ... Original Horizontality. Original Continuity. Crosscutting Relationships. Unconformity ...
(7) Earth in space and time. The student knows that scientific dating methods of fossils and rock sequences are used to construct a chronology of Earth's history ...
Erosion, & Types of Weathering Chapter 10 Erosion A process where water, wind, or gravity transports soil (sediment) from its source The process by which rocks are ...
Relative Dating (No, not your cousin) Finding the Relative Age of Rocks Relative Dating and Relative Age Scientists use relative dating to determine whether a rock is ...
Absolute & Relative Dating Alex Burkett, Eric Francey, Juliet Collados Introduction Geologists estimate that the earth is about 4.6 billion years old James Hutton ...
It was recognized in the 1600's that in a sedimentary ... Biostratigraphy. Newer subdisciplines. Seismic stratigraphy. Cyclostratigraphy. Magnetostratigraphy ...
Which rock layer formed first? How do you know? Relative Dating Lab Which geologic event occurred first?? Geologic relative dating Lab Relative Dating: Unraveling ...
Virtual field sites provide motivation for looking at geology in person. Future Possibilities ... field site of exposed geology. Take pictures, collect samples ...
Lithostratigraphy a. description of unit properties (e.g. color, texture, particle shape, stratification, lithology) b. named after dominant grain size fraction c. ...
The study of strata (layers) of rocks with an eye toward ... http://lists.uakron.edu/geology/natscigeo/Lectures/time/gtime1.htm. Stratigraphic Principles ...
Falling-stage (forced regressive) systems tract (FSST) Lowstand systems tract (LST) ... that are very similar to those formed by RSL change (except for forced ...
Preservation in amber hardened resin of ancient trees surrounds an organism ... Proposed by William Smith late 1700s and early 1800s. Determining the ages of ...
Talk Organization Sedimentary Analysis & Sequence Stratigraphy History of Sequence ... facies assemblages & system tracts as templates for depositional ...
The fact that Earth has changed through time is apparent from evidence in the geologic record ... 40,000-year-old frozen baby mammoth found in Siberia in 1971 ...
Title: No Slide Title Last modified by: sunil.yadav Document presentation format: On-screen Show Other titles: Times Arial Wingdings Times New Roman Default Design ...
End of Snowball Earth. Warmer in Cambrian and Ordovician ... Historical geology provides past geologic and paleogeographic reconstruction of the world ...
... a geologic column, which is a composite column containing, in chronological order, the succession of known strata, fitted together on the basis of their ...
Propagation of seismic (elastic) waves, reflect back, picked up by detectors ... packages of stratal units to accurately correlate coeval (equivalent age) ...
WJEC A2 Geology BGS Mapwork I.G.Kenyon BGS 1:50.000 scale maps 1mm on the map represents 50m on the ground Grid squares are 1 km and have sides of 2cm on the map ...