Get an answer in 5 minutes

We'll notify as soon as your question has been answered.

Plus iconAsk a question to our educators
ENGLISH
Asked by Liam

Where are the oldest parts of the oceanic crust found?

The oldest parts of oceanic crust only reach around 200-260 million years old, which is relatively young compared to continental crust because it goes through a recycling process. New, young oceanic crust is formed at mid-ocean ridges, where seafloor spreading occurs. As the seafloor spreads over time, the crust gets colder and denser with age. The oceanic crust, thus gets to a point where it so dense it starts to sink or 'subduct' into the upper mantle. The slab of oceanic crust melts and is 'recycled' back into the mantle at plate boundaries called subduction zones. Therefore, the oldest parts of oceanic crust can be found at subduction zones, where they are near the end of their life cycle.

Adam's profile picture
Verified
Adam Idris
·

1.5k students helped

Similar English questions

What is Q&A on Scoodle?

At Scoodle we understand that everyone learns in a different way. Some people learn through practice, using essays and notes; others prefer video lessons to watch and learn, some just need help with a specifically hard question, while some learn best 1-on-1 tutoring sessions. At Scoodle we cater for all types of learning styles and needs. From GCSE Maths video lessons to A-level English essays and specialist educators in every subject - we’ve got you covered.

Faces of students on ScoodleFaces of students on ScoodleFaces of students on Scoodle
Scoodle has helped over 131,000 students so far

5 English tutors available now

Need help with English?

Getting expert help from a tutor is a great way to improve your English grades.

Badge showing the text 'New'Discover learning resources by tutors

Learn English with Video Lessons
How to Analyse (Unseen) Poetry
20m · 7 videos
Nina's profile picture
Nina Modak
·

2k students helped

How to Analyse (Unseen) Poetry
Analysis of 'Ozymandias' by Percy Bysshe Shelley
42m · 4 videos
Nina's profile picture
Nina Modak
·

2k students helped

Analysis of 'Ozymandias' by Percy Bysshe Shelley
The Basic Principles of (Prose) Literature
1hr 12m · 9 videos
Nina's profile picture
Nina Modak
·

2k students helped

The Basic Principles of (Prose) Literature
How to Write an Academic Essay: Crash Course
1hr 42m · 12 videos
Nina's profile picture
Nina Modak
·

2k students helped

How to Write an Academic Essay: Crash Course
Understanding The Narrative Voice [English Lit]
59m · 8 videos
Nina's profile picture
Nina Modak
·

2k students helped

Understanding The Narrative Voice [English Lit]
Analysing 'To His Coy Mistress' by Andrew Marvell
1hr 36m · 9 videos
Nina's profile picture
Nina Modak
·

2k students helped

Analysing 'To His Coy Mistress' by Andrew Marvell