Cat Au :: 100704_Ninepin Group
[果洲群島]
Visits: 1335 times
Last changed: Jul 03, 2011
46 items in this album
果洲群島的主島包括北果洲、南果洲和東果洲。
果洲群島出露的柱狀節理火山岩是酸性流紋質火山岩。岩石較為均一,蘊含大量鉀長石和石英質斑晶。這組岩石名為「糧船灣組」,屬於早白堊世滘西洲火山岩群。果洲群島岩石的年份約為1億4000萬年前的恐龍時期,相信是群島一次巨大火山爆發時形成,火山灰噴出量估計約70立方千米,令遼闊的平原忽然崛現連綿山峰。在現代地質史上,海倫斯火山爆發時火山灰噴發量僅為2立方千米,而1883年印尼克拉卡托火山大爆發亦只噴發12立方千米火山灰,相比之下,果洲群島的遠古火山爆發誠然是規模龐大的浩災。山峰崛起後,經過千萬年的侵蝕,漸漸演變為今天所見的壯美景觀。(資料來源﹕香港地質公園網頁)
「北果攀岩」有四景,分別為月球崖、大炮石、地獄岩及魔鬼石
北果洲200號燈塔
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果洲
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「北果攀岩」有四景,分別為月球崖、大炮石、地獄岩及魔鬼石
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北果洲200號燈塔
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果洲
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IMG_2739
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200號燈塔
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果洲的岩石屬於六角形的柱狀凝灰岩,本來相當堅硬,但長年暴露在海洋,不斷遭受海蝕和風化,致岩石容易崩裂;這裡的火山岩排列成豎立的巨大六角形石柱
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200號燈塔
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IMG_2746
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果洲的岩石屬於六角形的柱狀凝灰岩,本來相當堅硬,但長年暴露在海洋,不斷遭受海蝕和風化,致岩石容易崩裂;這裡的火山岩排列成豎立的巨大六角形石柱
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IMG_2751
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IMG_2754
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IMG_2761
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IMG_2765
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南果賞洞主要觀賞海蝕洞,當中包括海水貫島而過的心石拱門及三叉洞、迥流洞、天梯洞
南果洲
南果
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IMG_2784
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南果賞洞主要觀賞海蝕洞,當中包括海水貫島而過的心石拱門及三叉洞、迥流洞、天梯洞
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南果洲
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南果
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虎口大門,左手的尖頂為小天后廟
南果洲的石拱門
左邊係迥流洞, 右條係三叉洞
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虎口大門,左手的尖頂為小天后廟
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南果洲的石拱門
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左邊係迥流洞, 右條係三叉洞
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東里洲
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東里洲
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IMG_2942
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