Tag Archives: GCCRC

FL026 Brachiopod Fossil

名稱 腕足動物化石 Name Brachiopod fossil 地質年代 / Geological Age / 描述 腕足動物化石, 有兩回介殼,大小相等或不相等,掩蓋著背腹兩面。 它的身體非常柔軟,左右對稱 ,頭頂有突出部分,上面生有許多觸手,稱為腕足。 消化道呈u字形彎曲 ,缺少肛門。附有體腔和後腎, 在地球上有很長的歷史。 Description Brachiopods are a group of lophotrochozoan animals that have hard shells in the upper and lower surfaces. Their lifespars range from three to over thirty years. They have a long history in the Earth. 地點 廣西 Location Guangxi 參考 Reference / 編者 由 3A (26) 王劭熙 於2/6/2018 編寫 _________ 於17/1/18最後編改   Editor Created by 3A (26) Wong Shiu Hei Jaden on 2/6/2018 Last modified by ________…

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FL025 Cystoids Fossil

名稱 海林檎化石 Name Cystoids 地質年代 / Geological Age / 描述 海林檎是一種已滅絕的棘皮動物,是其最古老、谷歌組織最簡單的一綱。形狀為球形,與蘋果類似。海林檎沒有真正的肢,因此牠們利用短小沒有分叉被稱為鰓的支臂從水中過濾食物。牠們和海百合有驚人的相似處,都是利用莖節附著在基底上,有一個由許多不同骨板組成的膨脹殼。 DescriptionsCystoids resembled crinoids, but they had an avoid, rather than cup-shaped body, with the opposite end attached to the substratum, often by a stalk, although some stalkless species did exist. Cystoidea is a class of extinct crinozoan echinoderms, termed cystoids, that lived attached to the sea floor by stalks. Cystoids are distinguished from other echinoderms by triangular pore openings. Superficially, cystoids resembled crinoids, but they had an ovoid, rather than cup-shaped, body. The mouth…

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FL137 Sea Whelk Fossil

名稱 海娥螺化石Name Sea Whelk Fossil地質年代  Geological Age  描述 腹足綱是軟體動物門中最大的綱。腹足綱動物有肌肉發達的足部,眼睛,觸手和由許多細小的牙齒組成的特殊的類似銼刀的進食器官(小齒)。大多數腹足動物的殼呈螺旋形或圓錐形,在某些物種中可能會大大減少,或者完全消失。腹足綱動物在寒武紀早期演化,但是自古近紀以來,腹足綱動物已經成為最常見的軟體動物,棲息在水生和陸地環境中。Description Gastropods (formally Gastropoda) make up a large group (a class) of molluscs. They have a muscular foot, eyes, tentacles and a special rasp-like feeding organ (the radula) composed of many tiny teeth. Most gastropods have a coiled or conical shell, which may be extremely reduced in some species or lost entirely as in slugs. Gastropods evolved early in the Cambrian, but since the Palaeogene they have become the most common of molluscs, inhabiting aquatic and terrestrial…

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FL024 Brachiopoda Fossil

名稱 腕足動物化石 Name Brachiopoda Fossil 地質年代 / Geological Age / 描述 腕足動物是屬於動物王國Brachiopoda的動物門的海洋動物。現代腕足動物佔據了各種海床棲息地,從熱帶到北極的冷水,特別是南極。大多數生活在正常鹽度海水中低水位以下的相對穩定的環境中,但是一些具有寬的鹽度耐受性並且生活在更邊緣的海洋環境中,儘管很少能夠在潮間帶的湍流中存活。雖然現在比較少見,但它們可能在當地很豐富,因為它們往往是合群的。 Description Brachiopods have a very long history of life on Earth (at least 550 million years). They first appear as fossils in rocks of earliest Cambrian age, and their descendants survive, albeit relatively rarely, in today’s oceans and seas. 地點 廣西 Location Guangxi 參考 Reference / 編者 由 3C (20) 林翠香 於 30/5/2019 編寫 _________ 於17/1/18最後編改   Editor Created by 3C (20) Lin Mika on 30/5/2019 Last modified by ________ as on 17/1/2018…

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FL023 Productus Fossil

名稱 羅氏長身貝化石 Name Productus fossil 地質年代 / Geological Age / 描述 羅氏長身貝化石是十分堅硬,但體型較小,灰色為住。來自中國廣西,生於志留紀至三叠紀,生活在海底鬆軟的泥質沉積中,為長身貝屬。 Description It is grey in color, from Guangxi, China. It is hard but small. It lived from Silurian to Triassic, lived in sediment of soft mud under the ocean, belongs to productus. 地點 廣西 Location Guangxi 參考 Reference / 編者 由 3A (23) 曾羨桐 於 3/6/2018編寫 _________ 於17/1/18最後編改   Editor Created by 3A (23) Tsang Sin Tung Natalie on 3/6/2018 Last modified by ________ as on 17/1/2018  

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FL022 Coral Fossil

名稱 珊瑚化石 Name Coral Fossil 地質年代 / Geological Age / 描述 珊瑚化石,俗稱石柱子、珊瑚玉,是由於單體珊瑚的外層細胞,具有分泌石灰質外骨骼能力,石灰質包裹住軟體部分,形成了珊瑚的外壁。常見的珊瑚化石有單體和復體兩大類型。 珊瑚化石有單體和複體兩大類型。單體珊瑚的骸體,從幾亳米到幾十亳米,通常有體壁圍繞,表面飾有粗細不等的皺紋。複體珊瑚呈致密的塊狀體,由許多細小的珊瑚個體組成。珊瑚骸體的骨架由無數細微的,方解石質或文石質的羽針、羽簇或羽榍組成。 Descriptions Coral fossils, commonly known as stone pillars and coral jade, are due to the outer cells of the monolithic corals, which have the ability to secrete calcareous exoskeletons. The limestone envelops the soft parts and forms the outer walls of the corals. Common coral fossils come in two types, monomer and complex. Coral Fossil is a natural type of gemstone formed by ancient corals. The proper name for fossil coral is…

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FL021 Coral Fossil

名稱 珊瑚化石 Name Coral Fossil 地質年代 / Geological Age / 描述 橫貫珊瑚骨腔分佈的板狀體稱床板或橫板,是橫列骨骼單元的主要組成部分。在有些珊瑚體的邊緣還出現小型魚鱗狀或泡沫狀骨片,稱鱗板或泡沫板。 Descriptions Coral bone is distributed cavity tabular body to say bedboard or a member, is a key component of the trunk line. Also has the small scale of fish or the State foaming blade in the edges of the Coral bodies, the scale of the board or the cystosepiment. 地點 廣西 Location Guangxi 參考 Reference / 編者 由 3A (20) 譚詠曦 於 29/5/2018編寫 _________ 於17/1/18最後編改 Editor Created by 3A (20) Tam Wing Hei…

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FL020 Coral Fossil

名稱 珊瑚化石 Name Coral Fossil 地質年代 / Geological Age / 描述 珊瑚化石,俗稱石柱子。常見的珊瑚化石有單體和複體兩大類型。單體珊瑚的骸體,從幾毫米到幾十釐米,通常有體壁圍繞,表面飾有粗細不等的皺紋,但在進化程度比較高級的珊瑚中,體壁退化。複體珊瑚呈緻密的塊狀體,或細弱的叢枝狀,由許多細小的珊瑚個體組成,有的從母體的軸部或側方分芽而出,有的通過珊瑚體壁上的孔或管,或各珊瑚單體之間的共骨組織或間隙管相互貫聯。 Descriptions Coral fossils, commonly known as stone pillars. Common coral fossils have two types of monomer and complex. The body of a single coral, from a few millimeters to a few tens of centimeters, is usually surrounded by a wall, with wrinkles of varying thickness on the surface, but in the more advanced corals, the body wall degenerates. Reconstructed corals are dense masses, or weakly plexiform, composed of many tiny coral individuals, some…

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FL019 Calcified Leaf Fossil

名稱 鈣化樹葉化石 Name Calcified leaf 地質年代 新生代 Geological Age Cenozoic era 描述 葉化石經過物理壓縮的沉積岩中。它被保存在沉積物的精細層中,沉積物在垂直於沉積沉積物平面的方向上被壓縮,它們大多存在於河流和池塘中。鈣化 指的是鈣鹽在軟組織中沉積,並使其硬化的過程。 鈣化在人體中發生的程度,位置等多樣。化石是存留在岩石中的古生物遺體、遺物或生活痕跡,最常見的是骸骨和貝殼等。 Descriptions Calcified Leaf Fossil is a fossil preserved in sedimentary rock that has undergone physical compression. It is preserved in fine layers of sediment that have been compressed in a direction perpendicular to the plane of the deposited sediment. They are mostly found in rivers and ponds. Calcification refers to the process by which calcium salts are deposited in soft tissues and hardened. The degree of calcification occurring in the…

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FL018 Echinoid Sea Urchin Fossil

名稱 海胆刺化石 Name Echinoid sea urchin Fossil 地質年代 / Geological Age / 描述 Echinoids 與海百合與海星有關。這些通常有5個對稱。 Echinoids 背上有一顆五角星⭐️。 Descriptions Echinoids are related to crinoids and starfish. These often have 5 fold symmetry. Echinoids have a five-pointed star on their back.   地點 廣西桂林 Location Guilin, Guangxi 參考 Reference https://en.m.wikipedia.org/wiki/Sea_urchin 編者 由3A (18) 冼卓然 於 2/6/2018編寫 由3C (14) 劉競謙 於 30/5/2019最後編改 Editor Created by 3A (18) Sin Cheuk Yin on 2/6/2018 Last modified by 3C (14) Lao King Him on 30/5/2019

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