Northwest Africa 6486: Record of large impact events and fluid alteration on the L chondrite asteroid

A hybrid model of the CO 2 geochemical cycle and its application to large impact events

American Journal of Science ◽

10.2475/ajs.286.5.361 ◽

1986 ◽

Vol 286 (5) ◽

pp. 361-389 ◽

Cited By ~ 19

Author(s):

J. F. Kasting ◽

S. M. Richardson ◽

J. B. Pollack ◽

O. B. Toon

Keyword(s):

Hybrid Model ◽

Large Impact ◽

Geochemical Cycle ◽

Impact Events

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Geomorphology, Mineralogy, and Geochronology of Mare Basalts and Non-Mare Materials around the Lunar Crisium Basin

Remote Sensing ◽

10.3390/rs13234828 ◽

2021 ◽

Vol 13 (23) ◽

pp. 4828

Author(s):

Xuejin Lu ◽

Haijun Cao ◽

Zongcheng Ling ◽

Xiaohui Fu ◽

Le Qiao ◽

...

Keyword(s):

Large Impact ◽

Small Scale ◽

Lunar Exploration ◽

Geological History ◽

Major Phase ◽

Western Area ◽

Geological Map ◽

Thin Crust ◽

Impact Events ◽

Mare Basalts

The Nectarian-aged Crisium basin exhibits an extremely thin crust and complicated lunar geological history. This large multi-ring impact basin is characterized by prolonged lunar volcanism ranging from the Imbrian age to the Eratosthenian period, forming the high-Ti mare unit, low-Ti mare basalts, and very low-Ti mare unit. We produced an updated geological map of the Crisium basin and defined four mare units (Im1: 3.74 Ga; Im2: 3.49 Ga; Im3: 3.56 Ga; EIm: 2.49 Ga) in terms of distinct composition and mineralogy. Olivine was widely determined in the Ti-rich Im1, implying the hybridization source in the lunar mantle with the occurrence of small-scale convective overturn. The major phase of low-Ti basaltic volcanism occurred c.a. 3.5 Ga, forming Im2 and Im3 in the western area. The youngest mare unit (EIm) has slight variations of pyroxene compositions, implying a decrease of calcic content of basaltic volcanisms with time. Later, distal material transports from large impact events in highlands could complicate the mixing of local mare basalts in the Copernicus age, especially the Im3 unit. The identified olivine-bearing outcrops and widely Mg-rich materials (Mg# > 70, where Mg# = molar 100 × Mg/(Mg + Fe)) in the western highlands, assumed to be the occurrence of the Mg-suite candidates, require future lunar exploration missions to validate.

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Geoethical and Social Aspects of Warning for Low-Frequency and Large-Impact Events like Tsunamis

Geoethics ◽

10.1016/b978-0-12-799935-7.00015-0 ◽

2015 ◽

pp. 175-192 ◽

Cited By ~ 1

Author(s):

Stefano Tinti ◽

Alberto Armigliato ◽

Gianluca Pagnoni ◽

Filippo Zaniboni

Keyword(s):

Low Frequency ◽

Large Impact ◽

Social Aspects ◽

Impact Events

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Large Impact Events and Financial Markets

Accounting and Finance Research ◽

10.5430/afr.v1n1p95 ◽

2012 ◽

Vol 1 (1) ◽

Cited By ~ 1

Author(s):

Marcus Davidsson

Keyword(s):

Financial Markets ◽

Large Impact ◽

Impact Events

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Event report: Center for American Progress's presentation climate change, migration, & conflict in Northwest Africa

PsycEXTRA Dataset ◽

10.1037/e681112012-001 ◽

2012 ◽

Author(s):

Cody McNamara

Keyword(s):

Climate Change ◽

Event Report ◽

Northwest Africa

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A Review on Load Balancing Model Using Best Partition Technique

International Journal of Advanced Research in Computer Science and Software Engineering ◽

10.23956/ijarcsse.v7i8.69 ◽

2017 ◽

Vol 7 (8) ◽

pp. 284

Author(s):

M. Chaitanya ◽

K. Durga Charan

Keyword(s):

Cloud Computing ◽

Fault Tolerance ◽

Load Balancing ◽

Load Balance ◽

Large Impact ◽

Cloud Environment ◽

Public Cloud ◽

The Public ◽

Partition Technique ◽

Textual Content

Load balancing makes cloud computing greater knowledgeable and could increase client pleasure. At reward cloud computing is among the all most systems which offer garage of expertise in very lowers charge and available all the time over the net. However, it has extra vital hassle like security, load administration and fault tolerance. Load balancing inside the cloud computing surroundings has a large impact at the presentation. The set of regulations relates the sport idea to the load balancing manner to amplify the abilties in the public cloud environment. This textual content pronounces an extended load balance mannequin for the majority cloud concentrated on the cloud segregating proposal with a swap mechanism to select specific strategies for great occasions.

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