Horace Greeley famously said "Go west, young man." West is a compass direction.

The Flat Earth

Q4. What is a compass direction?

Q5. How is a compass direction described?
Ways of describing angles (refer to Cronin's Vector Primer, p. 1-3; http://bearspace.baylor.edu/Vince_Cronin/www/StructGeol/vectorPrimer.pdf)

• degrees, minutes, seconds
• decimal degrees
• radian measure

• azimuth
• bearing
• trend
• quadrant

Q6. How do you convert a compass direction given in the quadrant system to the equivalent compass direction in the azimuth system?

Your turn...

Convert the following compass directions from the quadrant system to the azimuth system.

N32E: _______	S14E: _______	S78W: _______	N70W: _______
N48W: _______	S63W: _______	S44E: _______	N12E: _______

Q7. How do you convert a compass direction given in the azimuth system to the equivalent compass direction in the quadrant system?

Your turn...

Convert the following compass directions from the azimuth system to the quadrant system.

14°: _______	85°: _______	114°: _______	167°: _______
205°: _______	278°: _______	312°: _______	348°: _______

Compass direction as a vector quantity

Q8. What is a vector? (refer to Cronin's Vector Primer, p. 4)

Q9. What is a unit vector?

The URL of this page is bearspace.baylor.edu/Vince_Cronin/www/StructGeol/StructLabBk1B.html
Modified November 6, 2008

All original content in these web pages is copyright (© 2006-2008) by Vince Cronin, and may be used with attribution for non-profit educational and research purposes.