Page 34 - 雕鐫海之角

龜尾湖 Lake at the Tail of Turtle Island
▲
The Turtle Island
1. The Turtle Island is located at the
Okinawa oceanic trough and the Okinawa
island arcs.
2. On the east part ocean of the Turtle
Isalnd, within 50 to 100 kilometers, lies
at least 60~70 oceanic volcano and at
the depth range from 1300 meters to
2000 meters. The Turtle Isaland is the
only oceanic volcano that emerged.
▲ 龜尾湖 Lake at the Tail of Turtle Island 3. The peak of the Turtle Isaland has
abundant hot springs, with certain
龜山島地質公園的特色 springs reaching 300~400 meters,
forming so called “Black Chimney”.
1.龜山島在地體構造環境上，位於沖繩海槽和琉球火山島弧的交
volcanic, like most mid-ocean canyons
會點。
around the world, the lava activity is still
2.龜山島東方約50到100公里的海域內，最少分布六、七十座的海 active. 龜山島地質公園五萬分之一地質圖
底火山，座落於1,300公尺至2,000公尺的深海海床上，而龜山 4. The sea current from the south is Geological Map of Turtle Island Geopark (scale: / 0000)
transporting warm, tropical water 圖 例 LEGEND
島是唯一出露在海平面以上的一座火山。 圖 例 LEGEND
▲ 龜尾島 Islet at the Tail of Turtle Island northward toward the polar region. The
3.海水面下普遍都蘊藏著豐富的熱泉和噴氣，有些噴泉可向上達
Turtle Isalnd is on its path and results 沖積層 礫石,砂及黏土
300~400公尺高，形成所謂的「黑煙囪」，和全世界深海中洋 in a good fishing industry and whale 全 新 世 全 新 世 HOLOCENE HOLOCENE ALLUVIUM Gravel, sand, and clay
沖積層
礫石,砂及黏土
Gravel, sand, and clay
ALLUVIUM
脊擴張中心附近的景象相似，顯示在此地區的地殼底下還有活 watching tourism. 石 底 層 砂岩及頁岩互層,含煤層
Alternations of sandstone and shale, intercalated coal seams
SHIHTI FORMATION
5. The fishing migration in this area 石 底 層 砂岩及頁岩互層,含煤層
Alternations of sandstone and shale, intercalated coal seams
SHIHTI FORMATION
躍的岩漿活動。
mainly is Istiophoridae, Selachimorpha, 大 寮 層 砂岩及頁岩
Sandstone and shale
TALIAO FORMATION
4.龜山島地處黑潮暖流終年北流的通道上，海域內的海洋生物非 Mylophar yngodon piceus, and 中 新 世 MIOCENE 大 寮 層 砂岩及頁岩
Sandstone and shale
TALIAO FORMATION
AOTI
常豐富，目前也是賞鯨豚的著名海域。 Exocoetidae. The place is an ideal fishing 中 新 世 MIOCENE 澳 底 層 枋 腳 段 砂岩及頁岩互層,含煤層
Alternations of sandstone and shale, intercalated coal seams
枋 腳 段
砂岩及頁岩互層,含煤層
FORMATION
AOTI
field. AOTI FORMATION Alternations of sandstone and shale, intercalated coal seams
澳 底 層
FORMATION
5.許多洄游性魚類洄游經過，主要漁獲有旗魚、鯊、鯖、鰹、飛 AOTI 媽 崗 段 厚砂岩及頁岩
MAKANG
媽 崗 段
6. The upper part of the Turtle Isalnd is FORMATION FORMATION Thick sandstone and shale
厚砂岩及頁岩
魚等，使得本海域亦為鏢、釣漁業之良好漁場。 MAKANG Thick sandstone and shale
FORMATION
abundant in sulfur minerals, and the 大 桶 山 層 硬頁岩夾薄至厚層砂岩
TATUNGSHAN FORMATION Argillite intercalated with thin - to think-bedded sandstone
6.龜首海域下的硫磺礦藏量頗多，並由噴氣孔噴出大量的硫化氫 fumaroles blasts excessive hydrogen 大 桶 山 層 硬頁岩夾薄至厚層砂岩
Argillite intercalated with thin - to think-bedded sandstone
TATUNGSHAN FORMATION
漸 新 世 漸 新 世 OLIGOCENE 乾 溝 層 Argillite intercalated with thin - to think-bedded sandstone
和二氧化硫，形成龜島磺煙。 sulfide and sulfur dioxide to form smog. OLIGOCENE 乾 溝 層 硬頁岩夾薄至厚層砂岩
KANKOU FORMATION
硬頁岩夾薄至厚層砂岩
KANKOU FORMATION
Argillite intercalated with thin - to think-bedded sandstone
龍 洞 砂 岩
Think-bedded or massive, white, medium-to very
LUNGTUNG FORMATION
硬頁岩夾薄至厚層砂岩
龍 洞 砂 岩 硬頁岩夾薄至厚層砂岩
coarse-grained quartzite and argillite
LUNGTUNG FORMATION Think-bedded or massive, white, medium-to very
coarse-grained quartzite and argillite
安山岩
Andesite
安山岩
更 新 世 更 新 世 PLEISTOCENE PLEISTOCENE 火成岩類 安山岩質集塊岩
Andesite
IGNEOUS ROCKS
火成岩類
IGNEOUS ROCKS
Andesite agglomerate
安山岩質集塊岩
Andesite agglomerate
（資料來源：經濟部中央地質調查所）
(Source: The Central Geological Survey, MoEA)
地質圖書 Geopark at Northeast and Yilan Coast National Scenic Area