Diogenite - Wikipedia
Diogenites are a group of the HED meteorite clan, a type of achondritic stony meteorites. Origin and composition. Diogenites are currently believed to originate from deep within the crust of the asteroid 4 Vesta, and as such are part of the HED meteorite clan. There are about 40 distinct members known.
Evidence of metasomatism in the interior of Vesta - Nature
Mar 10, 2020 · Diogenites are a group of meteorites that are derived from the interior of the largest protoplanet Vesta. They provide a unique opportunity to understanding together the internal structure...
Diogenite meteorite: Mineral information, data and localities.
Diogenites are an abundant type of achondrite, linked by geochemical traits such as oxygen isotopic ratios and certain elemental ratios, of which Fe/Mn is the most widely cited. The dominant mineral in diogenites is orthopyroxene.
Diogenite | meteorite | Britannica
diogenite (HED) meteorites all came from the same asteroidal body, Vesta, the second largest member of the asteroid belt. They have also been linked to the mesosiderites, a group of stony iron meteorites ( see below Association of meteorites with asteroids).
Young asteroid families as the primary source of meteorites
Oct 16, 2024 · Understanding the origin of bright shooting stars and their meteorite samples is among the most ancient of astronomy-related questions, which at larger scales has human consequences1–3. As of ...
Rocks from Vesta — Part 3: Diogenites - Science@NASA
Dec 4, 2011 · Rocks from Vesta — Part 3: Diogenites. These images are of HED (howardite, eucrite and diogenite) meteorites are a large group of meteorites believed to originate from asteroid Vesta, a hypothesis that is consistent with current Dawn observations.
Diogenite - an overview | ScienceDirect Topics
A diogenite is a type of coarse-grained rock composed predominantly of orthopyroxene, with minor amounts of olivine, chromite, Ca-pyroxene, plagioclase, silica, low-Ni metallic Fe, and troilite. It is formed from a Ca-poor, pyroxene-normative melt and is …
Part 3: Diogenites - NASA Jet Propulsion Laboratory (JPL)
Dec 4, 2011 · The diogenites originated deep within the crust of Vesta and resemble rocks, both in texture and composition, which we find in the lower crust of the Earth. The QUE 99050 (left) and GRA 98108 (right) diogenites, pictured here, were recovered in Antarctica.
The origin of eucrites, diogenites, and olivine diogenites: …
Jul 8, 2013 · The lower crust is dominated by diogenite, but includes 10–20% each of olivine-bearing diogenite and cumulate eucrite. The distribution of lithologies is crudely layered, but laterally and vertically heterogeneous.
Introduction: Diogenites are orthopyroxenite me-teorites [1]. Most are breccias, but remnant textures indicate they were originally coarse-grained rocks, with grain sizes of order of cm. Their petrography, and major and trace element chemistry support an ori-gin as crustal cumulates from a differentiated asteroid.