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Sandy soil cross section
Sandstone walls on the coast weathered from being washed out
Displayed in a glass box are different types of coal, each showcasing unique textures and colors. The collection includes anthracite, bituminous, sub-bituminous, and lignite.
Mineral Fusinus sp. Pliozän
Transmission electron microscope (TEM) micrograph showing dark melanin granules in a melanocyte (top center) and in several keratinocytes, which, unlike melanocytes, have bundles of keratin filaments
Asbestos family mineral band in geological rock sample
Illegal limestone mining sites that erode mountains, destroying nature and the environment. Calcium carbonate quarry.
Pieces of gold in the rock
a sample of minerals from nature
Calmitacea inside a peace of stone. The fossil was growing in the Carboniferous Period (around 360 to 300 million years ago).
natural stone, Background
High-quality modern abstract painting rendered with alcohol ink and colorful abstract modern art painting background.
Wet flat rock face, dark and light colors streaked through it.
Landscape shot of Pedernales Falls State Park
Summer in Spain along the country road many fields and cattle and pigs in the pastures
Agate is a microcrystalline variety of quartz, chiefly chalcedony, cryptocrystalline form of silica.  Although agates may be found in various kinds of rock, they are classically associated with volcanic rocks but can be common in certain metamorphic rocks. Most agates occur as nodules in volcanic rocks or ancient lavas where they represent cavities originally produced by the disengagement of volatiles in the molten mass which were then filled, wholly  by siliceous matter deposited in regular layers upon the walls. Cathedral Valley, Capitol Reef National Park, Utah.
Texas drought on Lake Travis in Austin
Rock landscape background in nature.
A breathtaking mountain vista along a sky-high hiking trail, where majestic peaks meet vast blue skies, creating an awe-inspiring experience in nature.
Erosion that has taken place over the years from rainfall routed though a pipe and into an existing creek.  Homeowners suffer the loss of land as it is eroded away.
Petrified wood from the Baltic region is not only aesthetically pleasing but also scientifically significant
Alentejo is the hottest and driest area in Portugal
Purple cays eroded in the field, near Pedraforca Mountains. Lacustrine deposits, Garumnian.
A landscape photo of forest and reflections on water by the lake in Usak
A focus scene on hill destruction and covered with mesh cover
São Tomé Stone is a flexible stone, does not loose splinters, is non-slip, very absorbent and does not spread heat.\
Engineer examining rocks at surface stone mine
Asperillus niger in petri dish under the microscopic, Microbiology for education in laboratories.
Deforestation
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