| ¦C¦L¥Û Printstone
¦C¦L¥Û¬O¦b¿D¤j§Q¨È¦è³¡ªº¬£¤Ú©Ô Pilbara ¦a°Ï, º~²ö´µ¨½¤s¯ß Hamersley µo²{ªº, ¶ZÂ÷±ÄÅKÄq¬âªº´ö©i¤ý¤lÂí Tom Prince ¤£»·,
It occurs in the ¡§Mount McRae Shale¡¨ («ç»ò½Ķ ?)
²£¦a¦bº~²ö´µ¨½¬Ö¦a¤§¤º¡C ¥j¦Ñªº©¥¼h, ¦~¥N¤j¬ù¦³ 2000 ¦Ê¸U¦~, (2000 Ma.)
¤@¨Ç¬ã¨sªí©ú, ²§±`ªº¼Ð°O¥i¯à¦³ stromatolitic °_·½,
¬Æ¦Ó¶V§è¶V»·, ¬Æ¦Ü©ó±N¥¦©R¦W¬° "Kinneyia Simulans"¡C (Simulan ÀÀºAªº) ¦ý¬O¥H§Ú©Ò¨£, ¥LÌ¥u¬O²³æ¦a Liesegang ¶êÀô¡C
¥t¥~, ¿D¤j§Q¨È¦è¥_¤èªº¥¬¾|§Jªù¤s Mt. Brockman ¤]¥X²£¦C¦L¥Û,
¦C¦L¥Ûªº°â»ù¨C¤½¤ç¿D¹ô¤¤¸, = NT$128¤¸,
°²¤é¥É¥«¬Ý¨ì¦³¤H°â½æ¤¤, ½æ®aµ¹¥¦J¶Ã¨ú¤@Ó¦WºÙ, ³DºN [°g±m¥É], ¥i¥H¶R¦^¨Ó¥[¤u»s§@§Ù±, ³o±N«Ü¥i¯à¬O»OÆW¿W¤@µL¤Gªº§Ù±,
«ÜÃøÂ½Ä¶, ì^¤å¦C¦b¤U±,
Printstone is found in the Hamersley Ranges near the iron ore mining town of Tom Prince
in the Pilbara region of Western Australia. It occurs in the "Mount McRae Shale" within the Hamersley Basin. Age is approx. 2000 Ma.
Some studies indicate that the unusual markings possibly have stromatolitic origins,
even going so far as naming it as "Kinneyia Simulans".
However in my opinion, they are simply Liesegang rings.
Mt. Brockman, NW. Australia
AU$5.oo/kg
¦¹¥DÃD¬ÛÃö¹Ï¤ù¦p¤U¡G


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