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Fig. 2.6
High Ti ( a ) and medium Ti ( b ) basalts distribution map of South Central region of Mare
Orientale
basaltic regions contain plagioclase in the range of up to 40 %, which excavated
the highland material from deeper crust. In the central part of the Mare Orientale
region, clinopyroxene is the dominant mineral which ranges from 8-12 % to 22 %,
and this almost consistent with pyroxene content of the high-Ti basalts of RELAB
samples. There is no measurable amount of orthopyroxene observed in the south
central part of the Mare Orientale. Olivine content of the south central part of Mare
Orientale varies from 2 to 4 %.
2.4.2
Lacus Veris
The high-Ti-bearing basalt concentration range is up to 40 % in the Lacus Veris
region. The region is dominated by high-Ti basalts which accounts for 27 %.
Like Lacus Autumni, this region also does not have much medium-Ti basaltic
concentration. The entire western region of the Lacus Veris is dominated by low-
Ti-bearing basalts. The distribution of the high- and low-Ti basalts is shown in
Fig. 2.7a, b , respectively.
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