This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: How do sedimentary cores from the ocean floor support the concept of seafloor spreading? What ... (Read 89 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
on: Jul 14, 2018
How do sedimentary cores from the ocean floor support the concept of seafloor spreading?
 
  What will be an ideal response?

Question 2

What is the age of the oldest sediments recovered using deep-ocean drilling? How do the ages of these sediments compare to the ages of the oldest continental rocks?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

EAN94

  • Sr. Member
  • ****
  • Posts: 307
Reply #1 on: Jul 14, 2018
Answer to Question 1

Sedimentary cores show patterns of magnetized rock thanks to the natural compass properties of magnetite. The cores from either side of the ocean ridge have patterns that match both in strata thickness and in paleomagnetism.

Answer to Question 2

The oldest seafloor sediments recovered are 180 million years old. This is much much younger than the oldest continental rock, which exceeds 4 billion years in age.


littleanan

  • Hero Member
  • *****
  • Posts: 575
Reply #2 on: Jul 14, 2018
Correct answers!


EAN94

  • Sr. Member
  • ****
  • Posts: 307
Reply #3 on: Jul 14, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Leadership Activities That Support Intrinsic Motivation in Nurses Leadership Activities That Support Intrinsic Motivation in Nurses
Tall safety stands can be used to provide additional support for the vehicle while on the hoist. Tall safety stands can be used to provide additional support for the vehicle while on the hoist.
Concept Formation Concept Formation
Ocean sediment cores preserve a record of ice sheet growth and decay Ocean sediment cores preserve a record of ice sheet growth and decay
Nursing: A Concept-Based Approach to Learning, Volume I Nursing: A Concept-Based Approach to Learning, Volume I
Detrital Sedimentary Rocks Detrital Sedimentary Rocks
Video: Mendel's Pea Experiment

For a complete list of videos, visit our video library