28 February 2008 geology

28 February 2008 geology - Time Relative or...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
28 February 2008 Timescale—10 questions on midterm.—emphasis on periods 1. Weathering Anion proportion Soil profile Structure Represent anticline, syncline in x-section *Geologic Time Scale* Absolute time -radioactive ‘parent’ changes D(aughter)=P(arent) (e^rt – 1) T= 1/λ ln(D/P + 1) λ=1.54*10^-11 Oldest rocks: Australia-4.2, 4.1-NWT, 3.8-Minnesota, 1.8 Appalachians 1800 m.y.
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Time: Relative or Absolute=Sequence of events=Geologic Maps *Fundamental Product* History The oldest preserved geologic map is the Turin papyrus, made around 1150 BCE for gold deposits in Egypt Scaling for maps Oldest rocks at the core QUIZ 2 10 questions on geologic time scale- arrange time scale from oldest to youngest...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online