Cometary isotopic measurements
D Bockelée-Morvan, U Calmonte, S Charnley… - Space science …, 2015 - Springer
Isotopic ratios in comets provide keys for the understanding of the origin of cometary
material, and the physical and chemical conditions in the early Solar Nebula. We review …
material, and the physical and chemical conditions in the early Solar Nebula. We review …
[HTML][HTML] Impact structures in Africa: A review
WU Reimold, C Koeberl - Journal of African Earth Sciences, 2014 - Elsevier
More than 50 years of space and planetary exploration and concomitant studies of terrestrial
impact structures have demonstrated that impact cratering has been a fundamental process …
impact structures have demonstrated that impact cratering has been a fundamental process …
Surface vitrification caused by natural fires in Late Pleistocene wetlands of the Atacama Desert
We describe extended occurrences of unusual silicate glass surface layers from the
Atacama Desert (Chile). These glasses, found near the town of Pica at four localities …
Atacama Desert (Chile). These glasses, found near the town of Pica at four localities …
Petrography of the carbonaceous, diamond-bearing stone “Hypatia” from southwest Egypt: A contribution to the debate on its origin
The stone named “Hypatia” found in the Libyan Desert Glass area of southwest Egypt is
carbon-dominated and rich in microdiamonds. Previous noble gas and nitrogen isotope …
carbon-dominated and rich in microdiamonds. Previous noble gas and nitrogen isotope …
[PDF][PDF] CARBONADO DIAMOND: A REVIEW OF PROPERTIES AND ORIGIN.
SE Haggerty - Gems & Gemology, 2017 - academia.edu
Carbonado diamond is found only in Brazil and the Central African Republic. These unusual
diamond aggregates are strongly bonded and porous, with melt-like glassy patinas unlike …
diamond aggregates are strongly bonded and porous, with melt-like glassy patinas unlike …
Origin of tanzanite and associated gemstone mineralization at Merelani, Tanzania
C Harris, W Hlongwane, N Gule… - … African Journal of …, 2014 - pubs.geoscienceworld.org
Tanzanite is the blue vanadium-bearing variety of zoisite. The only known source of gem-
quality tanzanite, to date, is the Merelani area of northeastern Tanzania, a structurally …
quality tanzanite, to date, is the Merelani area of northeastern Tanzania, a structurally …
Fluvial transport model from spatial distribution analysis of Libyan Desert Glass mass on the Great Sand Sea (Southwest Egypt): Clues to primary glass distribution
Libyan Desert Glass (LDG) is a natural silica-rich melted rock found as pieces scattered over
the sand and bedrock of the Western Desert of Egypt, northeast of the Gilf Kebir. In this work …
the sand and bedrock of the Western Desert of Egypt, northeast of the Gilf Kebir. In this work …
Fluid inclusion and stable isotope (O, H, C) constraints on the genesis of the Pedra Branca gold deposit, Troia Massif, Borborema Province, NE Brazil: An example of …
Abstract At the Archean-Paleoproterozoic Troia Massif, NE Brazil, two major
Paleoproterozoic greenstone belts are documented (Algodões and Serra das Pipocas) …
Paleoproterozoic greenstone belts are documented (Algodões and Serra das Pipocas) …
[HTML][HTML] The chemistry of the extraterrestrial carbonaceous stone “Hypatia”: A perspective on dust heterogeneity in interstellar space
An extraterrestrial origin for a carbonaceous, diamond-bearing and silicate-free stone
named “Hypatia”, found in 1996 in southwest Egypt, was determined in 2013 and confirmed …
named “Hypatia”, found in 1996 in southwest Egypt, was determined in 2013 and confirmed …
A comprehensive study of noble gases and nitrogen in “Hypatia”, a diamond-rich pebble from SW Egypt
This is a follow-up study of a work by Kramers et al.(2013) on a very unusual diamond-rich
rock fragment found in the area of south west Egypt in the south-western side of the Libyan …
rock fragment found in the area of south west Egypt in the south-western side of the Libyan …