Rocks and Their Origins: Audiobook
According to The Books Insider's catalog data, the Rocks and Their Origins audiobook runs 3.6 hours unabridged, narrated by J.M. Smallheer (about 2.4 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 3.6 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 8 days |
| 1 hour / day | 4 days |
| 2 hours / day | 2 days |
| 1 hour / day at 1.5× | 3 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 3.6 hours, it is shorter than 76% of the 4,073 Animals & Nature (Non-Fiction) audiobooks in our catalog.
More narrated by J.M. Smallheer
J.M. Smallheer narrates 28 unabridged audiobooks in our catalog, 166 hours in all.
About as long, on the Animals & Nature (Non-Fiction) shelf
163 Animals & Nature (Non-Fiction) audiobooks in our catalog run within 10% of this length. The most popular on the store:
Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.
About this listen
Rocks and Their Origins is an audiobook by Grenville A. J. Cole: a 3.6-hour unabridged recording, read by J.M. Smallheer, released January 1, 2016, on the Animals & Nature (Non-Fiction) shelf.
The listen at a glance
- Length
- 3.6 hrs
- Narrated by
- J.M. Smallheer
- Released
- January 1, 2016
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Animals & Nature (Non-Fiction)
How to listen to Rocks and Their Origins free
New members at audiobooks.com get three free audiobooks with the trial.
Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.
Start listening freeQuestions listeners ask
How long is the Rocks and Their Origins audiobook?
Rocks and Their Origins runs 3.6 hours unabridged. At 1.5× speed that drops to roughly 2.4 hours.
Is the Rocks and Their Origins audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Rocks and Their Origins?
Rocks and Their Origins is narrated by J.M. Smallheer.