《flora of the hermit shale grand canyon arizona》

作者	David White 编者
出版	Carnegie institution ofWashington
参考页数	221
出版时间	1929（求助前请核对）目录预览
ISBN号	无 — 求助条款
PDF编号	813815038（仅供预览，未存储实际文件）
求助格式	扫描PDF（若分多册发行，每次仅能受理1册）

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INTRODUCTION3

Ⅰ. GEOLOGICAL ENVIRONMENT6

Formations in upper part of the canyon walls6

Kaibab limestone6

Coconino sandstone6

Hermit shale8

Supai formation9

Redwall limestone11

Muav limestone12

Bright Angel shale12

Tapeats sandstone12

The Hermit shale13

Conditions of deposition of the Hermit shale13

Land surface13

Deposition and stratification14

Petrological notes of Hermit and Coconino sediments15

Climate as indicated by the sediments17

Evidence of the fossil plants as to climate21

Ⅱ. COMPOSITION, AGE, AND RELATIONS OF THE HERMIT FLORA26

Composition26

Plants26

Animals27

Two floral provinces represented28

Age and origin of the flora30

Conclusions as to the age of the Hermit shale38

Ⅲ. DESCRIPTION OF THE HERMIT FLORA41

Thallophyta41

Arthrophyta44

Pteridospermaphyta47

Gymnosperms95

Ginkgophyta95

Coniferophyta96

Ⅳ. ANIMALS115

Vermes115

PLATES119

1929《flora of the hermit shale grand canyon arizona》由于是年代较久的资料都绝版了，几乎不可能购买到实物。如果大家为了学习确实需要，可向博主求助其电子版PDF文件（由David White 1929 Carnegie institution ofWashington 出版的版本）。对合法合规的求助，我会当即受理并将下载地址发送给你。

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