-
example on the
lamproites at
Gaussberg in Antarctica, and lead-lead
isotope geochemistry have
revealed that the
source of
lamproites may be transition...
-
Olivine lamproites are ultrapot****ic,
peralkaline rocks rich in
volatiles (dominantly H2O). The
distinctive characteristic of
olivine lamproites is phlogopite...
-
compressional tectonics.
Instead of kimberlite, the host rock is
lamproite.
Lamproites with
diamonds that are not
economically viable are also
found in...
-
largely composed of one of two
characteristic rock
types —
kimberlite or
lamproite.
These rocks reflect the
composition of the volcanoes' deep
magma sources...
- Australia. Ellendale's
volcanic lamproite pipes intruded during the
Miocene age
between 22 and 19 Ma, and 48
lamproites have been
mapped within the northwest-trending...
-
prominent lamproite diamond source is the
Argyle diamond mine in Australia. It is
notable that the
physical characteristics of
Australian lamproite and the...
-
Petrology of
Lamproites. Boston, MA:
Springer US. doi:10.1007/978-1-4615-3788-5. ISBN 978-1-4613-6688-1. Murphy, D. T. (1 June 2002). "
Lamproites from Gaussberg...
- mantle.
Phlogopite is
encountered as a
primary igneous phenocryst within lamproites and lamprophyres, the
result of
highly fluid-rich melt
compositions within...
-
found in 1725.
Diamond production of
primary deposits (kimberlites and
lamproites) only
started in the 1870s
after the
discovery of the
diamond fields in...
-
composition of the
otherwise inaccessible mantle. Basalts, kimberlites,
lamproites and lamprophyres,
which have
their source in the
upper mantle,
often contain...
