But in this case this is an artificial rock called Hollow block which is used for construction and other building projects

Texture: Foliated; Very fine-grained.

Slate is a fine-grained, metamorphic rock that shows no obvious compositional layering but can easily be split into thin slabs and plates. It is usually formed by low-grade regional metamorphism of mudrock.

Formation: Forms from the metamorphism of limestone or dolomite under heat and pressure, which recrystallizes the carbonate minerals.

Texture: Non-foliated, with a smooth, crystalline texture. The size of crystals depends on the degree of metamorphism.

location: Found in areas where limestone or dolomite has been subjected to heat and pressure.

Structure :

consisting of carbonate minerals most commonly calcite or dolomite that have recrystallized under the influence of heat and pressure. It has a crystalline texture, and is typically not foliated (layered) although there are exceptions.

Formation :

Marble is formed when a limestone rock that already exists is heated to such high temperatures that the minerals expand and fuse together. The dark, foliated streaks cutting through the marble are a separate type of metamorphic rock, like slate.

Uses :

Marbles are used principally for buildings and monuments, interior decoration, statuary, table tops, and novelties. Color and appearance are their most important qualities.

Limestone is a sedimentary rock made mostly of calcium carbonate. It forms in places like oceans and lakes where tiny sea creatures, shells, and coral break down and pile up over time, or when water evaporates, leaving behind minerals. People use limestone in many ways: it's a popular building material because it’s easy to cut and lasts a long time, it’s used to make cement, and it’s even helpful in agriculture to balance soil that’s too acidic. Limestone is also used in water treatment to clean and filter water. Its versatility makes limestone a very useful and widely used rock.

But this specific rock is called a Marble rock. It is an example of a metamorphic rock, it is made of metamorphosed limestone and composed with other minerals and because of its "Marble Effect" it makes it more beautiful.

11 STEM-11AM

“ Uluru (Ayers Rock) ”

I choose Uluru (Ayers Rock) because it’s a majestic sandstone monolith in central Australia, formed by the erosion of ancient sedimentary rock over millions of years. It is a sacred site for the Anangu people and a globally recognized natural wonder, primarily used for cultural and spiritual purposes by the Anangu, and for tourism and appreciation by visitors. Known for its stunning views and cultural significance, Uluru is a special place to visit, with its bright red color changing throughout the day.

Formation:

Quartzite is formed when quartz-rich sandstone or chert has been exposed to high temperatures and pressures.

Uses:

Quartzite is used to make roofing tiles, stairs, and flooring.

A metamorphic rock called quartzite is created when high pressures and temperatures are applied to chert or sandstone that is rich in quartz. These circumstances cause the quartz grains to fuse together, creating an equigranular, hard, and thick rock. ( ˶ˆᗜˆ˵ )

Quartzite is a hard, resilient, and long-lasting rock because of its interlocking crystalline structure. Because of its extreme toughness, it fractures through the quartz grains instead of along their borders. This feature distinguishes genuine quartzite from sandstone. The typical color of quartzite is white to gray. Pink, crimson, or purple are some of the colors of iron-stained rock units. Quartzite may be yellow, orange, brown, green, or blue due to additional impurities.

For aesthetic and decorative purposes, it is a favorite among interior decorators. It is a great choice if you want to add some personality to your home through flooring, accent walls, fireplace surrounds, and other areas because it resists stains, discoloration, heat, and abrasion. Additionally, it can be used outside to improve both structural security and aesthetic appeal. Quartzite, for instance, can be used for retaining walls, garden walkways, and other garden elements.

Formation: Quartzite is formed when sandstone is subjected to intense heat and pressure, typically due to tectonic compression within the Earth's crust. This process fuses quartz grains together, creating a dense, interlocking crystalline structure.

Used: For countertops, flooring, stair steps, and tiles due to its hardness and attractive appearance.

And popular in landscaping for pathways, garden borders, and decorative walls.

Roen B. Fababaer

11 - Stem 11

One of the most fascinating aspects of learning about rocks and their formation is the incredible variety and complexity of processes that create them. Each type of rock—igneous, sedimentary, and metamorphic—tells a unique story about the Earth's history and the conditions under which it formed. I was particularly surprised by the fact that rocks can transform from one type to another through the rock cycle, illustrating the dynamic and ever-changing nature of our planet.

Description

Rock Type: Sandstone

Formation Process: Sandstone is a type of sedimentary rock that forms from the compaction and cementation of sand-sized mineral particles or rock fragments. Over millions of years, layers of sand accumulate in bodies of water, deserts, or other environments. As the layers build up, pressure compacts them, and minerals like quartz or calcite cement the grains together into solid rock.

Uses: Sandstone is widely used in construction and architecture due to its durability and aesthetic appeal. It is often used for building materials, paving, and decorative interior and exterior surfaces.

This rock formation, like those seen in the Grand Canyon, provides a striking visual record of geological processes and changes over time, showcasing the power of natural forces in shaping the Earth's landscape.