Slab
Building or Place
NPS Code
Address
Number of Samples
Petrographic Analysis
Analysis by Shufan Xiao
Relatively smaller grains, a high concentration of K-feldspars including microcline.
0
Petrographic Analysis
Analysis provided by Shufan Xiao
Extremely large crystals with twinning and zonings.
0
In Portuguese, flamengo is historically used to mean “flame-colored,” deriving from the same root as the flamingo bird.
Petrographic Analysis
Analysis provided by Shufan Xiao
The sample presents heavily weathered feldspar, with slight metamorphism. Preliminary classification: Monzogranitic orthogneiss
0
The stone presents significant metamorphism, as suggested by the abundance of euhedral crystals under the microscope.
0