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CLASS III-SECONDARY OR FLETZ ROCKS.

UNSTRATIFIED CRYSTALLINE, OR
IGNEOUS ROCKS.

STRATIFIED OR NEPTUNIAN ROCKS.

IV. SECOND FLEETZ LIMESTONE FORMATION, SHELL LIMESTONE, OR MUSCHELKALK.-Syn. Rauchgrauerkalk of Merian; Zechstein of the S. W. of Germany, and in part of many authors; part of the Calcaire alpin of the French; Calcaire à encrines of Beud.

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Limestone,

Globular limestone, in part magnesian Globular limestone (Vic). Compact grayish It does not Compact limestone, grayish limestone, some-exist here. (under part). (around the Vos- times

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compact grayish (Wurtzburg), with encrinites..

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V. THIRD FLEETZ SANDSTONE FORMATION, OR QUADERSANDSTONE, OR WHITE SANDSTONE.-Syn. Arthose of Brongniart and Bonnard.

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This formation is connected with the following by alternations: (Amberg, Westphalia).

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NORTH
AMERICA.
White quartzy
sandstone,
Lake Superior.
See Schoolcraft's
Narrative, 1820.

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CLASS III.-SECONDARY OR FLEETZ ROCKS.-Continued.

STRATIFIED OR NEPTUNIAN ROCKS.

VI. THIRD FLEETZ LIMESTONE FORMATION, OR JURA LIMESTONE..

UNSTRATIFIED CRYSTALLINE OR
IGNEOUS ROCKS.

Many marine Fossils, especially accumulated in particular spots or layers. First
Nummulite deposits. Crawfishes, Terrestrial Mammalia, Birds, Insects.

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These last marls connect this formation with the following. The lias and the Jura limestone exist in South America, in the great Mississippi basin, and perhaps the compact limestone with silex of Brasil belongs also to it, or to the chalk.

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VII. IRON AND GREEN SAND.-Syn. Alpine variegated Sandstone of Uttinger; Variegated Sandstone of

Pest of Beudant; Nagelfluh of C. Prevost; part of the Quadersandstone of the Germans.

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Intimately connected with the chloritose chalk.-Exists also in the Atlantic part of the United

VIII. CHALK FORMATION.-Synon. Calcaire à nummulites; a great part of Beudant's
Hungarian Jura limestone; white Jura limestone of Hausmann.

Divisions,

GERMANY AND SILE- POLAND AND SOU

(Chloritic chalk, syn.

SIA.

part of the Pla

nerkalk, Bohe

mia, Regensburg,

THERN RUSSIA.

FRANCE.

stone, Austria, Le Mans,

A good many Fossils, Monocotyledonous and Dicotyledonous Vegetables, Fossil Resin.

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ENGLAND AND IRELAND.

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Compact white lime- Chloritic chalk, Chloritic chalk, Chloritic chalk,

Hungary, and! Saumur,
Transylvania. Menshould.
Hartz, Westpha- Chloritic chalk marl, siliceous.
lia.
rare, Krapina, Chalk marl,
siliceous, Blans- Croatia.

Chloritic chalk, AR. Chlorite chalk marl, Neukirchen, Belluno.

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S. ALPS, APPEN. MALTA,

SICILY S. E. ZANTE, GR.

Tertiary Augit

veins, of which

the superior part

porphy

overlies the chalk

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syn. Mulatto stone.

Diablerets,

Chalk marl and Chalk marl.

Servos.

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reddish.

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veins, Ireland.
bed-like veins,
Vicentin, near
Schio.

N. B. Chalk altered and
cracked near augit-porphy-
ry, Schio; indurated and
like marl near basalt, Bel-
fast.

Network of metallife-
rous veins, argentiferous
galena, &c., in the augit-
porphyry; uppermost li-
mit of galena.

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Chalk marl is found in Scania, and in some Danish islands, Moen, &c., and in Rugen Island, &c.

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