Things2do wrote:Restart: What is the concept of Strike And Dip?I got the question off of the Wiki...
Strike and dip relate to slopes. The strike traces a line of equal elevation, and the dip traces the line of fastest descent. The strike and dip are perpendicular to each other.
Sounds right.
Re: Geologic Mapping C
Posted: October 10th, 2018, 6:40 pm
by UTF-8 U+6211 U+662F
What is isostasy?
Re: Geologic Mapping C
Posted: October 11th, 2018, 1:29 pm
by OrigamiPlanet
UTF-8 U+6211 U+662F wrote:What is isostasy?
The equilibrium between the parts of Earth's crust on the mantle.
Re: Geologic Mapping C
Posted: October 11th, 2018, 1:31 pm
by UTF-8 U+6211 U+662F
OrigamiPlanet wrote:
UTF-8 U+6211 U+662F wrote:What is isostasy?
The equilibrium between the parts of Earth's crust on the mantle.
Good enough haha, your turn!
Re: Geologic Mapping C
Posted: October 11th, 2018, 1:56 pm
by OrigamiPlanet
1. What is the difference between a normal and reverse fault?
2. What forces cause each type of fault listed above?
3. What is the difference between a reverse and thrust fault?
Re: Geologic Mapping C
Posted: October 11th, 2018, 2:05 pm
by UTF-8 U+6211 U+662F
OrigamiPlanet wrote:1. What is the difference between a normal and reverse fault?
2. What forces cause each type of fault listed above?
3. What is the difference between a reverse and thrust fault?
1. Normal - Footwall up, Reverse - Footwall down
2. Normal - Tensional, Reverse - Compressional
3. Reverse - Dip over 45 degrees, Thrust - Dip less than 45 degrees
Re: Geologic Mapping C
Posted: October 11th, 2018, 2:09 pm
by OrigamiPlanet
UTF-8 U+6211 U+662F wrote:
OrigamiPlanet wrote:1. What is the difference between a normal and reverse fault?
2. What forces cause each type of fault listed above?
3. What is the difference between a reverse and thrust fault?
1. Normal - Footwall up, Reverse - Footwall down
2. Normal - Tensional, Reverse - Compressional
3. Reverse - Dip over 45 degrees, Thrust - Dip less than 45 degrees
Perfect! Your turn!
Re: Geologic Mapping C
Posted: October 11th, 2018, 2:17 pm
by UTF-8 U+6211 U+662F
Measuring a fold, you find an apparent dip of 5 degrees, but you later find that the axis of your measured dip is 32 degrees from the axis of the true dip. What is the true dip of the fold?
