Journal
REMOTE SENSING
Volume 14, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/rs14040814
Keywords
lunar; Posidonius impact crater; floor fractured crater; lunar morphology; mineralogy; spectral analysis
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Funding
- Research Office, Zayed University, United Arab Emirates [R 21005]
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In this study, lunar floor-fractured craters (FFCs) were investigated using remote sensing data to explore their mineralogy, morphology and tectonic characteristics. The results revealed that the Posidonius crater belongs to the Class-III category of FFCs and the nearby volcanic activity has an impact on the crust.
Lunar floor-fractured craters (FFCs) are a distinguished type of crater found on the surface of the Moon with radial, concentric, and/or polygonal fractures. In the present study, we selected the Posidonius FCC to explore the mineralogy, morphology and tectonic characteristics using remote sensing datasets. The Posidonius crater is vested with a wide moat of lava separating the crater rim inner wall terraces from the fractured central floor. Lunar Reconnaissance Orbiter's (LRO) images and Digital Elevation Model (DEM) data were used to map the tectonics and morphology of the present study. The Moon Mineralogy Mapper (M-3) data of Chandrayaan-1 were used to investigate the mineralogy of the region through specified techniques such as integrated band depth, band composite and spectral characterization. The detailed mineralogical analysis indicates the noritic-rich materials in one massif among four central peak rings and confirm intrusion (mafic pluton). Spectral analysis from the fresh crater of the Posidonius moat mare unit indicates clinopyroxene pigeonite in nature. Integrated studies of the mineralogy, morphology and tectonics revealed that the study region belongs to the Class-III category of FFCs. The lithospheric loading by adjacent volcanic load (Serenitatis basin) generates a stress state and distribution of the fracture system.
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