reading about vanguard
Thinking about invest in Vanguard.
John Bogle
John Bogle
今天学到的知识
湖南和湖北是以洞庭湖为分界 山西和山东是以太行山为分界 河南和河北是以漳河为分界，是西门豹治邺故事中那条河，不是黄河，因为黄河穿河南而过 鄱阳湖在江西境内，在南昌东部 嘉峪关在甘肃 山海关在秦皇岛 居庸关在北京
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Rosellia This picture is taken in summer 2011 at the highway 24 road cut of Ferron Sandstone at Steamboat. Rosellia is commonly cylindrical, inclined burrow with an funnel shape opening. It is considered to be associated with proximal Cruziana ichnofacies. ...
Interesting Geology Features in the Field
Sandstone Dike Picture shows a sandstone dike penetrating interbeded sandstone and mudstone at the Coalmine road cut of Tununk Shale close to San Rafeal Swell. In terms of sequence of events, the interbeded marine sandstone and mudstone were deposited, and then fracture was triggered by possible mechnism of earthquake, and them sandstone was poured into the fracture and at last the sandstone dike was deformed due to compaction.
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