Most diamonds are metasomatic minerals, which means they grew from fluids or melts that
moved through solid mantle rocks and chemically interacted with them. The involvement of …

The origin of cratonic diamonds is reviewed on the basis of nearly 5000 analyses of silicate,
oxide and sulphide inclusions in diamonds. Compositional fields are defined for common …

Geothermobarometric calculations for a worldwide database of inclusions in diamond
indicate that formation of the dominant harzburgitic diamond association occurred …

One of the key scientific questions about diamonds is “how are they formed?” To answer this
question, we need to know the diamond-forming reactions and the physicochemical …

Two types of olivine occur in kimberlites from Greenland, Canada and southern Africa. The
first, xenocrystic olivine, displays several different forms. Most distinctive are 'nodules', a term …

Based on a compilation of more than 100 kimberlite age determinations, four broad
kimberlite emplacement patterns can be recognized in North America:(1) a northeast …

Plate tectonics plays a vital role in the evolution of our planet. Geochemical analysis of
Earth's oldest continental crust suggests that subduction may have begun episodically about …

We document the compositions of co-existing silicate macro-inclusions and fluid micro-
inclusions in the fibrous coats of eight coated diamonds from the Panda kimberlite (Canada) …

The oxidation state, reflected in the oxygen fugacity (f O 2), of the subcratonic lithospheric
mantle is laterally and vertically heterogeneous. In the garnet stability field, the Kaapvaal …

The principal sources of natural diamonds are peridotitic (about 2/3 of diamonds) and
eclogitic (1/3) domains located at 140–200 km depth in the subcratonic lithospheric mantle …