The Pulau Tuba Sill Geosite is a remarkable geological site near Tuba Bay, showcasing granite magma infiltrating limestone layers, a process dating back to the Triassic Period, around 220 million years ago. This unique interaction formed two distinct granite sills, each 1.5m and 1m thick. This rare sill formation, resulting from the Mount Raya Granite implacement, reveals the ancient land of Langkawi and contributes significantly to our understanding of geological heritage. Developing this site for educational purposes can enhance public awareness and appreciation of this extraordinary geological phenomenon and the island's natural history.
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Subcategory: Geosite
Tags: geosite
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Tours & experiences
Explore different ways to experience this area.
Geological Wonder: Witness the unique granite sills that showcase the geological history of Langkawi dating back 220 million years.
Educational Value: Ideal for geology enthusiasts and students to learn about granite magma infiltration into limestone.
Natural Beauty: The site, set near Tuba Bay, offers a scenic view, combining both geological interest and natural charm.
Exploration Opportunity: Visitors can explore the area, getting a close look at the two distinct granite sills.
Conservation and Awareness: The site serves as a focal point for conservation and increasing public awareness about geological heritage.
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What is Pulau Tuba Sill?
Pulau Tuba Sill is a unique folded granite sill which is one of the only specimens found in Malaysia
What is the best time to visit Pulau Tuba Sill?
The best time to visit Pulau Tuba Sill is during the dry season, which runs from December to February. During this time, the weather is pleasant, and the waters are calm, making it ideal for outdoor activities.
What makes Gua Tuba Sill unique?
The site features two distinct granite sills, each 1.5m and 1m thick, formed by granite magma infiltrating limestone, a rare geological phenomenon.
Where is Gua Tuba Sill located?
It's located near Tuba Bay in Langkawi, Malaysia, as part of the island's ancient geological landscape.
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