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jengsingcheng
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沈積岩
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本文介绍了沉积岩的种类及其形成过程,包括砂岩、煤、砾岩和页岩等不同类型。沉积岩的层状结构及其化石提供了环境变化的历史证据。文中还描述了生物遗骸如何在水域环境中形成沉积岩,及其与岩石循环的关系。
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沈積岩
1.
認識岩石—沈積岩 岩石的循環
2.
火成岩受到風化、侵蝕、沈積和變質作 用。
3.
沈積岩 由左至右:砂岩、煤、礫岩。
4.
沈積岩 河流攜帶不同大小的沈積物,隨著流速 不同,搬運的距離遠近就不同,隨著流
速及沈積物堆積愈來愈高,就形成了沈 積物大小不同的岩層。
5.
沈積岩 層狀構造是沈積岩的特點,其中常有化 石,而且可藉由沈積物研判地層的歷
史。
6.
沈積岩 美國大峽谷的沈積岩岩層
7.
沈積岩 礫岩是礫石膠結形成,是沈積岩中砂石 顆粒最大的。
8.
沈積岩 暴露在懸岩邊的礫岩
9.
沈積岩 由砂粒堆積而成的砂岩
10.
沈積岩 砂岩上的紋理可推測形成當時水流變動 的情形
11.
沈積岩 頁岩是是沈積岩中顆粒最細的一種
12.
沈積岩 頁岩中保存了多樣且不尋常的化石
13.
沈積岩 這是沈積岩中的一種水生爬行動物 Mesosaurus的化石。化石是環境變遷
的最佳見證。
14.
沈積岩 隨著水流速度的改變,泥沙沈積的位置 也會不同而出現砂頁岩互層
15.
沈積岩 沈積岩是由珊瑚、貝殼、藻類等 生物遺骸堆積膠結而成的。
16.
沈積岩 受到風化的石灰岩
17.
沈積岩 沿著海岸塊成的石灰岩層
18.
沈積岩 水滴溶蝕石灰岩中的成分,長成 鐘乳石
19.
沈積岩 鐘乳石形成過程中石英也沈澱出 來
20.
沈積岩 生活在淺海環境中的軟體動物的 實體化石
21.
沈積岩 200萬年前海浪沙灘上的生痕化 石
22.
圖片來源: 1. Cross Section Illustration Of Showing Rock Cycle. Photography. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=118_840362 2.Igneous Rock. Photography. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=118_847010 3. Sedimentary Rocks. Photograph. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=139_1903182 4.Sedimentary Rock. Photography. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=132_1234546 5.Bedded Sedimentary Rocks, Israel. Photography. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=139_1987395 6.Grand Canyon. Photography. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=139_1959865 7.Conglomerate. Photograph. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=139_1903480 8.Conglomerate Rock. Photography. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=149_2054049 9.Sandstone. Photography. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=132_1231061 10.Sandstone. Photography. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=149_2093113 11. Shale. Photograph. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=118_810182 12.Burgess Shale. Photography. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=139_1934324
23.
13.Mesosaurus Fossil. Photography.
Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=132_1241056 14.Sandstones And Shales, Canada. Photography. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=139_1958607 15.LIMESTONE. Photograph. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=131_1342992 16.Weathered Limestone. Photography. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=132_1241678 17.Limestone Strata. Photography. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=132_1234259 18.Stalactites. Photography. Encyclopædia Britannica Image Quest. Web. 27 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=119_1796546 19.Quartz Stalactites. Photography. Encyclopædia Britannica Image Quest. Web. 27 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=132_1234103 20.Limestone Fossil. Photography. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=132_1243062 21.Ripple Slab. Photography. Encyclopædia Britannica Image Quest. Web. 26 Jul 2011. http://quest.eb.com/media/image.htm?mediaId=119_1797735