Browsing ELibrary by Author "Takeda H."

Now showing items 1-5 of 5

FELDSPATHIC CLASTS IN YAMATO-86032: REMNANTS OF THE LUNAR CRUST WITH IMPLICATIONS FOR ITS FORMATION AND IMPACT HISTORY

Nyquist L.; Bogard D.; Yamaguchi A.; Shih C.Y.; Karouji Y.; Ebihara M.; Reese Y.; Garrison D.; McKay G.; Takeda H. (2006)

Low concentrations of Th and Fe in the Yamato (Y)-86032 bulk meteorite support earlier suggestions that Y-86032 comes from a region of the moon far distant from the Procellarum KREEP Terrain (PKT), probably from the lunar ...
FOSSIL 26AL AND 53MN IN THE ASUKA 881394 EUCRITE: EVIDENCE OF THE EARLIEST CRUST ON ASTEROID 4 VESTA

Nyquist L.E.; Reese Y.; Wiesmann H.; Shih C.Y.; Takeda H. (2003)

Asuka 881394 is a unique magnesian eucrite with pyroxenes that are Mg-rich like those of cumulate eucrites, but with a granulitic texture unlike the textures of cumulate eucrites. Plagioclase compositions are ~An98, and ...
MINERALOGY OF ANTARCTIC UREILITES AND A WORKING HYPOTHESIS FOR THEIR ORIGIN AND EVOLUTION

Takeda H. (1987)

Mineralogical and crystallographic data and electron microprobe analyses of silicate minerals for Antarctic ureilites Y74123, Y74130, Y74659, Y790981, ALHA77257, ALHA78019 and ALH82106 extend the chemical and textural ...
MINERALOGY OF SILICATE INCLUSIONS OF THE COLOMERA IIE IRON AND CRYSTALLIZATION OF CR-DIOPSIDE AND ALKALI FELDSPAR FROM A PARTIAL MELT

Takeda H.; Hsu W.; Huss G.R. (2003)

We studied the mineralogy, mineral chemistry, and compositions of 48 interior silicate inclusions and a large K-rich surface inclusion from the Colomera IIE iron meteorite. Common minerals in the interior silicate inclusions ...
MINERALOGY, PETROLOGY, CHEMISTRY, AND 39AR-40AR AND EXPOSURE AGES OF THE CADDO COUNTY IAB IRON: EVIDENCE FOR EARLY PARTIAL MELT SEGREGATION OF A GABBRO AREA RICH IN PLAGIOCLASE-DIOPSIDE

Takeda H.; Bogard D.D.; Mittlefehldt D.W.; Garrison D.H. (2000)

We describe coarse-grained gabbroic material rich in plagioclase and diopside in the Caddo County IAB iron meteorite. The gabbro is not a clast within a breccia, but rather is an area with transitional margins located ...

Browsing ELibrary by Author "Takeda H."

Browsing ELibrary by Author "Takeda H."

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