AURICHALCITE with CACLITE Southwest Mine, Bisbee, Warren District, Mule Mountains, Cochise County, Arizona, USA
Blue Opal...
Monday, November 23, 2015
Sunday, November 22, 2015
Digital Elevation Model (DEM) Resolution Enhancement
03Surface Interpolation
This exercise will guide you through a Method to
generate a New finer resolution of a DEM.
1. Add the dem grid to ArcMap. Check if the grid
has a 30 meter cell size and a UTM projection.
2. Enable Spatial Analyst...
Saturday, November 21, 2015
Wednesday, November 18, 2015
Tuesday, November 17, 2015
The surface geology of Africa
The map shows the lithological properties of
the surface geology of Africa. Lithology describes the mineral composition and
structure of geological material which is based on rock formation (i.e. whether
it is igneous, sedimentary, metamorphic) and mineralogy (e.g. carbonate,
silicic,...
Monday, November 16, 2015
The Breakup of Pangaea
Pangaea (sometimes spelled Pangea), the most
recent of a series of supercontinents on Earth, formed about 270 million years
ago and broke apart about 200 million years ago. At this time most of the dry
land on Earth was joined into one huge landmass that covered nearly a...
Saturday, November 14, 2015
Precious Opal with an "eye" effect
07 Precious Opal with
an "eye" effect
Description:Recently, the Wello (Wollo) locality in
Ethiopia has produced some exceptional precious Opal specimens and gemstones.
The highly desirable "Contra Luz" play of color and large
"harlequin" patterning that can be seen in...
