Overview
Syllabus
Intro
Diamonds: Precious times capsules from the deep Earth
Extraterrestrial diamond
Diamond from impacts
Crustal diamonds
Lithospheric diamonds
Diamonds are rare at Earth's surface...
Diamonds on Earth
What is diamond?
Diamonds crystallise from fluids
Gem quality diamond growth
Complex diamond growth
Mineral inclusions in diamonds
What are isotopes?
Dating by radiogenic Isotopes: Samarium-Neodymium
Isotope laboratory @ VU Amsterdam
Sm-Nd isotope dating of 26 SINGLE inclusions
Sm-Nd model ages
Diamond growth in two events
Formed at very different conditions
The 'young' event relates to large scale magmatism
Diamond growth at 1.1 Ga by hot mantle plume
Diamonds with 2 billion year age difference
Taught by
Europlanet