- What these rocks tell you, anyway?
- How old they are. It's called the uranium-lead test.
- What do you wanna know that for?
- So we can match them against the sample in which the fossil was found.
15 seconds sound clip from the Creature from the Black Lagoon (1954) movie soundboard.
You can hear this line at 00:23:56.504 in the Blu-ray version of the movie.
Quote context
[...]
- Good.
- This is crazy kind of fishing.
- I do, in a manner of speaking. I crush them and they tell me things.
- What these rocks tell you, anyway?
- How old they are. It's called the uranium-lead test.
- What do you wanna know that for?
- So we can match them against the sample in which the fossil was found.
- How long they have to wait there?
- It depends on how far down they went.
- Well, how was it down there, huh?
- Come on, I'll help you off with this equipment.
- Good.
[...]