Development and disintegration of Maya political systems in response to climate change
The role of climate change in the development and demise of Classic Maya civilization (300
to 1000 CE) remains controversial because of the absence of well-dated climate and …
to 1000 CE) remains controversial because of the absence of well-dated climate and …
Characterization and petrologic interpretation of olivine‐rich basalts at Gusev Crater, Mars
Rocks on the floor of Gusev crater are basalts of uniform composition and mineralogy.
Olivine, the only mineral to have been identified or inferred from data by all instruments on …
Olivine, the only mineral to have been identified or inferred from data by all instruments on …
A Mars 2020 Perseverance SuperCam Perspective on the Igneous Nature of the Máaz Formation at Jezero Crater and Link With Séítah, Mars
The Máaz formation consists of the first lithologies in Jezero crater analyzed by the Mars
2020 Perseverance rover. This formation, investigated from Sols (Martian days) 1 to 201 and …
2020 Perseverance rover. This formation, investigated from Sols (Martian days) 1 to 201 and …
Ancient impact and aqueous processes at Endeavour Crater, Mars
SW Squyres, RE Arvidson, JF Bell III, F Calef III… - Science, 2012 - science.org
The rover Opportunity has investigated the rim of Endeavour Crater, a large ancient impact
crater on Mars. Basaltic breccias produced by the impact form the rim deposits, with …
crater on Mars. Basaltic breccias produced by the impact form the rim deposits, with …
Zoning of phosphorus in igneous olivine
MS Milman-Barris, JR Beckett, MB Baker… - … to Mineralogy and …, 2008 - Springer
We describe P zoning in olivines from terrestrial basalts, andesites, dacites, and komatiites
and from a martian meteorite. P 2 O 5 contents of olivines vary from below the detection limit …
and from a martian meteorite. P 2 O 5 contents of olivines vary from below the detection limit …
A petrogenetic model for the origin and compositional variation of the Martian basaltic meteorites
LE Borg, DS Draper - Meteoritics & Planetary Science, 2003 - Wiley Online Library
The major element, trace element, and isotopic compositional ranges of the martian basaltic
meteorite source regions have been modeled assuming that planetary differentiation …
meteorite source regions have been modeled assuming that planetary differentiation …
Petrology of igneous clasts in Northwest Africa 7034: Implications for the petrologic diversity of the Martian crust
Abstract The martian meteorite Northwest Africa (NWA) 7034 was examined both
petrographically and geochemically using several micro-beam techniques including …
petrographically and geochemically using several micro-beam techniques including …
Chemical alteration and REE mobilization in meteorites from hot and cold deserts
The effects of terrestrial weathering on REE mobilization are evaluated for a variety of
uncommon meteorites found in Antarctica and in hot deserts. The meteorites analyzed …
uncommon meteorites found in Antarctica and in hot deserts. The meteorites analyzed …
Fe2+–Mg partitioning between olivine and basaltic melts: Applications to genesis of olivine-phyric shergottites and conditions of melting in the Martian interior
Fe2+–Mg partitioning between olivine and basaltic melt, expressed by the exchange
coefficient, KDol–meltFe–Mg [=(XmeltMg/XolivineMg)/(XmeltFe2+/XolivineFe2+)] is widely …
coefficient, KDol–meltFe–Mg [=(XmeltMg/XolivineMg)/(XmeltFe2+/XolivineFe2+)] is widely …
Surface mineralogy of Martian low‐albedo regions from MGS‐TES data: Implications for upper crustal evolution and surface alteration
Mars Global Surveyor Thermal Emission Spectrometer (MGS‐TES) data are used to derive
the modal mineralogy of spectrally distinct Martian low‐albedo regions and to identify spatial …
the modal mineralogy of spectrally distinct Martian low‐albedo regions and to identify spatial …