Topics
isotopeMean of transportation
magmaCompany
MartianBand
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MarsPlace
basaltBand
water activityDisease
mudstoneBand
Gale CraterCrater
We report unambiguous chemical evidence for subsurface water activity in the martian crust at <600 Ma based on the data from Tissint, a fresh martian meteorite fall with minimal terrestrial weathering. The impact-melt pockets in Tissint contain abundant volatiles (H_2O, CO_2, F, and Cl), and their concentrations are positively correlated with each other. Higher H_2O concentrations also accompany higher deuterium contents. These correlations suggest mixing between two volatile sources. The first source is H_2O in the precursor basalt inherited from martian magma. Magmatic H_2O in the basalt had low deuterium concentration and was likely stored in the nominally anhydrous minerals. This source contributed little CO_2 or halogens to the impact ...
Chemical sediments and the aqueous alteration products of volcanic rocks clearly indicate the presen...
The Tissint meteorite, a picritic shergottite, fell to Earth in Morocco on the 18th of July 2011, an...
Two studies shed light on the nature and timing of alteration by water of rocks from Mars. One is an...
Observations of martian surface morphology have been used to argue that an ancient ocean once existe...
Observations of martian surface morphology have been used to argue that an ancient ocean once existe...
The Tissint meteorite, a picritic shergottite, fell to Earth in Morocco on the 18th of July 2011, an...
Water inventories in Martian magmas are poorly constrained. Meteorite-based estimates range widely, ...
ANCIENT fluvial networks on the surface of Mars suggest that it was warm and wet over three billion ...
Water inventories in Martian magmas are poorly constrained. Meteorite-based estimates range widely, ...
The abundance and distribution of water within Mars through time plays a fundamental role in constra...
The abundance and distribution of water within Mars through time plays a fundamental role in constra...
Chemical sediments and the aqueous alteration products of volcanic rocks clearly indicate the presen...
Chemical sediments and the aqueous alteration products of volcanic rocks clearly indicate the presen...
The Odyssey spacecraft documented the existence of heterogeneously distributed hydrogen at martian m...
Chemical sediments and the aqueous alteration products of volcanic rocks clearly indicate the presen...
Chemical sediments and the aqueous alteration products of volcanic rocks clearly indicate the presen...
The Tissint meteorite, a picritic shergottite, fell to Earth in Morocco on the 18th of July 2011, an...
Two studies shed light on the nature and timing of alteration by water of rocks from Mars. One is an...
Observations of martian surface morphology have been used to argue that an ancient ocean once existe...
Observations of martian surface morphology have been used to argue that an ancient ocean once existe...
The Tissint meteorite, a picritic shergottite, fell to Earth in Morocco on the 18th of July 2011, an...
Water inventories in Martian magmas are poorly constrained. Meteorite-based estimates range widely, ...
ANCIENT fluvial networks on the surface of Mars suggest that it was warm and wet over three billion ...
Water inventories in Martian magmas are poorly constrained. Meteorite-based estimates range widely, ...
The abundance and distribution of water within Mars through time plays a fundamental role in constra...
The abundance and distribution of water within Mars through time plays a fundamental role in constra...
Chemical sediments and the aqueous alteration products of volcanic rocks clearly indicate the presen...
Chemical sediments and the aqueous alteration products of volcanic rocks clearly indicate the presen...
The Odyssey spacecraft documented the existence of heterogeneously distributed hydrogen at martian m...
Chemical sediments and the aqueous alteration products of volcanic rocks clearly indicate the presen...
Chemical sediments and the aqueous alteration products of volcanic rocks clearly indicate the presen...
The Tissint meteorite, a picritic shergottite, fell to Earth in Morocco on the 18th of July 2011, an...
Two studies shed light on the nature and timing of alteration by water of rocks from Mars. One is an...
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