I am a geologist (2nd yr student) and im very thankful for your video it helped me understand the concept, since that i have a geodynamics final exam next week. Many thanks!!
Yes, I teach geology and oceanography at Palomar College in San Marcos, California. I'm also an oceanography textbook author (Essentials of Oceanography, Trujillo and Thurman).
Thanks this helped a lot with my A-level revision for plate tectonics, I couldn't find any explanation to how transform faults actually worked, there was only description on what they were not how they worked, so this really helped aid my understanding of the process! Are you a Geology professor or something similar?
The offsets are formed because spreading at a mid-ocean ridge only occurs perpendicular to the axis of a ridge and all parts of a plate must move together. As a result, offsets are oriented perpendicular to the ridge and parallel to each other to accommodate spreading of a linear ridge system on a spherical Earth. In addition, the offsets allow different segments of the mid-ocean ridge to spread apart at different rates. The left lateral motion was only as an example (right lateral exist, too).
Can you please explain why these fracture zones/transform faults exist in the first place? I have heard that it "offsets the MOR" but what does that mean? Why isn't the MOR just one long continuous ridge?
+Aidan LamThe reason that transform faults exist in the first place is because the mid-ocean ridge is a linear feature. For a linear feature to exist on a curved surface (e.g., Earth's surface), it must have offsets to accommodate the curvature. That way, each segment of the MOR is linear, and is offset by transform faults/fracture zones that bisect the MOR at a 90-degree angle.
+Al Trujillo What exactly do you mean by linear; do you mean straight and flat? I still don't really understand why the MOR can't just spread open like the shutter to an observatory telescope (i.e. all be joined together and move as one)? Because the MOR is a divergent plate boundary and why isn't the edge of the two plates one uniform line?
+Aidan Lam Notice at about 1:08 in the video, the way the two plates are moving, apart from each other. That's sea floor spreading. Linear means in a straight line. To get that divergent motion to work on a curved surface (the sphere of the Earth), offsets of the MOR must occur. That's the transform faults/fracture zones. Really what it boils down to is a geometry issue.
Thanks! I don't use the term transcurrent fault, but here's some online information about it:en.wikipedia.org/wiki/Transform_fault#Difference_between_transform_and_transcurrent_faults
Thanks! As for your question, all fracture zones are inactive (or nearly so). The only tectonically active part is the middle part, called a transform fault, which is different than a fracture zone. Transform faults are characterized by a high degree of earthquake activity because the 2 plates are moving in opposite directions.
Great question, Dave. What transform faults and fracture zones have in common are: 1) They are both tectonic features 2) They are both long linear zones of weakness in Earth's crust 3) They are both oriented perpendicular to the mid-ocean ridge There are also several dissimilarities. Please see my textbook Essentials of Oceanography, 12th Edition, SmartTable 3.1 "Comparison Between Transform Faults and Fracture Zones" on page 101 for all the details.
I am a geologist (2nd yr student) and im very thankful for your video it helped me understand the concept, since that i have a geodynamics final exam next week.
Many thanks!!
Thank you very much for the clear explanation! In less than 8 min you did what my university prof could not do in 15 min! Hats off to you sir.
Thank you for the clear and vivid explanation.
thank you very much for this tutorial, i had difficulties when reviewing lecture and now its crystal clear!
Yes, I teach geology and oceanography at Palomar College in San Marcos, California. I'm also an oceanography textbook author (Essentials of Oceanography, Trujillo and Thurman).
Sir, and can we define this fracture zone as TRANSCURRENT fault?
We would like to know about the shear stress associated with the TF and FZ. Regards.
Thank you, I understand this much better now!
Very nice explanation, we are waiting for the continuation
Good one Professor. You Should do more of these videos.
Thanks this helped a lot with my A-level revision for plate tectonics, I couldn't find any explanation to how transform faults actually worked, there was only description on what they were not how they worked, so this really helped aid my understanding of the process! Are you a Geology professor or something similar?
Thank you! This was a simple and effective explanation
Thank you so much for such a Great explanation!
thank you so much sir, it’s really help me to understand this topic
The offsets are formed because spreading at a mid-ocean ridge only occurs perpendicular to the axis of a ridge and all parts of a plate must move together. As a result, offsets are oriented perpendicular to the ridge and parallel to each other to accommodate spreading of a linear ridge system on a spherical Earth. In addition, the offsets allow different segments of the mid-ocean ridge to spread apart at different rates. The left lateral motion was only as an example (right lateral exist, too).
Thanks a lot sir.
with best love and care from india 🙏
This is awesome. Thank you so much
Can you please explain why these fracture zones/transform faults exist in the first place? I have heard that it "offsets the MOR" but what does that mean? Why isn't the MOR just one long continuous ridge?
+Aidan LamThe reason that transform faults exist in the first place is because the mid-ocean ridge is a linear feature. For a linear feature to exist on a curved surface (e.g., Earth's surface), it must have offsets to accommodate the curvature. That way, each segment of the MOR is linear, and is offset by transform faults/fracture zones that bisect the MOR at a 90-degree angle.
+Al Trujillo What exactly do you mean by linear; do you mean straight and flat? I still don't really understand why the MOR can't just spread open like the shutter to an observatory telescope (i.e. all be joined together and move as one)? Because the MOR is a divergent plate boundary and why isn't the edge of the two plates one uniform line?
+Aidan Lam Notice at about 1:08 in the video, the way the two plates are moving, apart from each other. That's sea floor spreading. Linear means in a straight line. To get that divergent motion to work on a curved surface (the sphere of the Earth), offsets of the MOR must occur. That's the transform faults/fracture zones. Really what it boils down to is a geometry issue.
+Al Trujillo I think i get it now, thanks for the explanation, its one of the clearest ones on the internet :)
Really clicked for me at 2:54 if you want to get to the point
Thank you, sir! 😊
This is GREAT! Thank you!!!!
What is the cause of the transform faults forming in the first place?
thank you for this video :)
Really helped me understand Transform Faults, Thanks
I finally understand, thnaks
Nicely done. Could you please explain the difference between transcurrent and transform fault?
Thanks! I don't use the term transcurrent fault, but here's some online information about it:en.wikipedia.org/wiki/Transform_fault#Difference_between_transform_and_transcurrent_faults
Good explanation man 👍
Superb. Can you plz tell what is the difference between Active and Inactive Fracture Zone.
Thanks! As for your question, all fracture zones are inactive (or nearly so). The only tectonically active part is the middle part, called a transform fault, which is different than a fracture zone. Transform faults are characterized by a high degree of earthquake activity because the 2 plates are moving in opposite directions.
Thanks❤❤❤
Sir what is the diffeence between transform and transcurrent fault?
Excellent
Thanks! This really helps!
Al what do transform faults and fracture zones have in common?
Great question, Dave. What transform faults and fracture zones have in common are:
1) They are both tectonic features
2) They are both long linear zones of weakness in Earth's crust
3) They are both oriented perpendicular to the mid-ocean ridge
There are also several dissimilarities. Please see my textbook Essentials of Oceanography, 12th Edition, SmartTable 3.1 "Comparison Between Transform Faults and Fracture Zones" on page 101 for all the details.
thank you sooo much !!!
Ditto, much appreciated.
Thanqqq
Thank you sir
I GET IT!!!
Sir Hindi ra video korontu