PORPHYRITIC GRANITE

Jamaludin, Siti Nur Fathiyah and Ibrahim, Noor Azahar (2025) PORPHYRITIC GRANITE. [Instructional Teaching Materials]

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Abstract

Major Rock Type: Igneous Rock
Province: Main Range Province
Age: Late Triassic (230 - 200 million years ago)
Origin: Tampin, Negeri Sembilan

* Granite is a coarse-grained, igneous rock composed primarily of quartz, feldspar, and mica. It is one of the most abundant rocks in the Earth's crust and forms from the slow crystallization of magma beneath the Earth's surface. The word "granite" comes from the Latin word "granum," which means grain, highlighting the rock's granular texture.

* Granite is renowned for its exceptional durability, making it a popular choice for various applications in construction and design.
Nestled in the heart of Tampin, Negeri Sembilan, donated by Halaman Mantap Sdn.Bhd, granite extracted from this region emerges as a unique and valuable geological masterpiece for ornamental, tabletop and tiles.

* Granite that have been polished to a high sheen produce natural beauty that not only improves aesthetics but also adds a layer of protection, making it more resistant to stains and scratches.
Its trinity of minerals—quartz, providing unwavering hardness; feldspar, bestowing color and alkali richness; and mica, lending a captivating reflective quality.

* This is due to gradual cooling and crystallization of molten magma beneath the Earth's surface. As minerals like quartz, feldspar, and mica slowly crystallize and interlock during this cooling process, they form granite's distinctive coarse-grained texture.

Item Type: Instructional Teaching Materials
Depositing User: Mr Ahmad Suhairi Mohamed Lazim
Date Deposited: 14 Feb 2025 08:12
Last Modified: 30 Jun 2025 10:30
URI: http://utpedia.utp.edu.my/id/eprint/30243

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