Page 14 - 雕鐫海之角

地質年代表 Correlation of Strata
gradation zone, because of varing intensity of or tectonic stress.
In Yehliu, and Longdongwang in Northeast coast, we can trace same as present. When the typhoons
of many fossils in different sizes and shapes, such as round, ellipse, come in summer, the sea bed at the 時代 EPOCH 地層 STRATUM 性質 PROPERTY 距今年代 AGE
rectangular , tubular branching and even irregular lines. Some shallow sea will be distributed by the 砂 丘SAND DUNE 砂、粉砂 Sand, silt
urchin fossils, which are commonly called “the sand money”. The powerful waves, causing the death 全 新 世 沖積層ALLUVIUM 礫石,砂及黏土
fossils are piled up in a layer of sandstone, but not each layer has of animal on the sea floor. These HOLOCENE 階地堆積層 Gravel, sand, and clay
礫石、砂及黏土
fossils, only a few part of the urchins are preserved intact. Most are remains are carried by the current, TERRACE DEPOSITS Gravel, sand, and clay 1萬年內
incomplete. and deposited elsewhere, forming 桂竹林層 泥質砂岩、頁岩
The Daliao sandstone is formed in the shallow sea environment, layers of sandstone. Geologists KUEICHULIN Muddy sandstone, shale, whitestone 900-375萬年前
FORMATION
which is about 10 to 20 meters of depth, 10-20 million years ago. A utilize there trace fossils to judge how 南 莊 層 砂岩及頁岩互層、含煤層
lot of creatures lived on the sea bed at that time, leaving abundant animals lined in the floor, and obtain a NANCHUANG Alternations of sandstone and 1200-900萬年前
FORMATION
shale, intercalated coal seams
trace fossil in the sandstone. The environment at that time is the greater understanding of the natural 南 港 層 砂岩、粉砂岩及頁岩
environment and habitat. NANKANG FORMATION Sandstone, siltstone and shale 1900-1200萬年前
砂岩及頁岩互層、含煤層
石 底 層
中 新 世 SHIHTI FORMATION Alternations of sandstone and 2000-1900萬年前
MIOCENE shale, intercalated coal seams
大 寮 層 頁岩及砂岩
TALIAO FORMATION Sandstone and shale 2200-2000萬年前
砂岩及頁岩互層、含煤層
木 山 層 Alternations of sandstone and
MUSHAN FORMATION 2390-2200萬年前
shale, intercalated coal seams
砂岩及頁岩、白砂岩含煤
澳 底 層 層
AOTI FORMATION Sandstone and shale, white 2390-2200萬年前
sandstone, intercalated coal seams
大桶山層 硬頁岩夾泥質砂岩
TATUNGSHAN Argillite intercalated with muddy 2750-2390萬年前
FORMATION sandstone
蚊子坑層 硬頁岩夾泥質砂岩
漸 新 世 WENTZUKENG
OLIGOCENE Argillite intercalated with muddy 3200-2750萬年前
FORMATION sandstone
龍洞砂岩 石英岩、礫岩 >3200萬年前
LUNGTUNG FORMATION Guartzite, conglomerate

（資料來源：經濟部中央地質調查所）
(Source: The Central Geological Survey, MoEA)

東北角海岸鳥瞰與地質圖 Bird View of North East Coast and Geological Information

▲ 南雅奇石／孔世龍 攝
Nanya Peculiar Rocks/Kong Shih-Long

地質圖書 Geopark at Northeast and Yilan Coast National Scenic Area