Aspects of the Ordovician system /

Ordovician of the Great Basin : fieldtrip guidebook and volume for the Seventh International Symposium on the Ordovician System, Las Vegas, Nevada, USA, June 1995 /
Published: (1995)

Lithostratigraphy of upper Ordovician strata exposed in Kentucky /
by: Weir, Gordon W. (Gordon Whitney), 1922-2011
Published: (1984)

Lithostratigraphy and depositional environments of the Lexington Limestone (Ordovician) of central Kentucky /
by: Cressman, Earle Rupert, 1923-
Published: (1973)

Petrology of the upper Ordovician and lower Silurian rocks in the central Appalachians /
by: Horowitz, Daniel H.
Published: (1965)

Overthrust Ordovician and the Nannie's Peak ring dike, Lone Mountain, Elko County, Nevada /
by: Lovejoy, Donald Walker, 1931-
Published: (1958)

Field trip guidebook for the Upper Mississippi valley, Minnesota, Iowa, and Wisconsin /
Published: (1987)

Revision of Upper Ordovician and Silurian rocks of the Northern Peninsula of Michigan /
by: Kesling, Robert V. (Robert Vernon), 1917-2005
Published: (1975)

Ordovician and Silurian Phi Kappa and Trail Creek Formations, Pioneer Mountains, central Idaho : stratigraphic and structural revisions, and new data on graptolite faunas /
by: Dover, James H.
Published: (1980)

Cambrian and Ordovician rocks of southern Arizona and New Mexico and westernmost Texas /
by: Hayes, Philip T. (Philip Thayer), 1923-
Published: (1975)

The Trenton group (Upper Ordovician series) of eastern North America : deposition, diagenesis, and petroleum /
Published: (1989)

The Trenton group (Upper Ordovician series) of eastern North America : deposition, diagenesis, and petroleum /
Published: (2013)

On the tremadoc rocks in the neighbourhood of St. David's, South Wales and their fossil content /
by: Hicks, Henry
Published: (1873)

Secondary porosity and hydrocarbon production from the Ordovician Ellenburger Group of the Delaware and Val Verde basins, West Texas /
by: Ijirigho, Bruce Tajinere
Published: (1981)

Upper Ordovician and Silurian stratigraphy in Sequatchie Valley and parts of the adjacent valley and ridge, Tennessee /
by: Milici, Robert C., 1931-
Published: (1977)

The Ordovician system of the East European Platform and Tuva (southeastern Russia) : correlation charts and explanatory notes /
Published: (1994)

The Middle and Upper Ordovician rocks of Michigan.
by: Hussey, Russell C. (Russell Claudius), 1888-
Published: (1952)

Basin-wide diagenetic patterns : integrated petrologic, geochemical, and hydrologic considerations /
Published: (1997)

A stratigraphic and sedimentologic analysis of some Lower and Middle Silurian clastic rocks of the north-central Appalachians /
by: Smith, Norman Dwight
Published: (1967)

Early Ordovician (Arenig) stratigraphy and faunas of the Carmarthen district, south-west Wales /
by: Fortey, Richard A.
Published: (1978)

The Richmond formation of Michigan /
by: Hussey, Russell C. (Russell Claudius), 1888-
Published: (1926)

Trepostomatous bryozoan fauna of the upper part of the Whitewater formation (Cincinnatian) of eastern Indiana and Western Ohio /
by: Utgaard, John
Published: (1964)

Beekmantown group : Lower Ordovician, of Maryland.
by: Sando, William Jasper
Published: (1957)

The Ordovician graptolites of Spitsbergen /
by: Cooper, Ronald A.
Published: (1982)

Lithostratigraphy of upper Ordovician strata in Alabama /
by: Neathery, Thornton Lee
Published: (1985)

A global analysis of the Ordovician-Silurian boundary /
Published: (1988)

The Cambrian-Ordovician boundary : sections, fossil distributions, and correlations /
Published: (1982)

The great Ordovician biodiversification event /
Published: (2004)

Silicified Middle Ordovician trilobites /
by: Whittington, H. B. (Harry Blackmore)
Published: (1953)

Stratigraphy and geologic history of Middle Ordovician rocks of central Tennessee.
by: Wilson, Charles William, 1905-
Published: (1962)

Late Ordovician-Early Silurian strata in the central United States and the Hirnantian stage /
by: Amsden, Thomas William
Published: (1986)

Ordovician trilobites of Argentina /
by: Harrington, Horacio Jaime, 1910-
Published: (1957)

Cambrian and Ordovician strata of northeastern Illinois.
by: Buschbach, T. C. (Thomas Charles), 1923-
Published: (1964)

Stratigraphy of the Lower Ordovician Axemann Limestone of central Pennsylvania /
by: Lees, John A.
Published: (1967)

Review of Ordovician pelecypods.
by: Pojeta, John, Jr
Published: (1971)

Preliminary studies of the ultrastructure of selected Ordovician conodonts /
by: Barnes, Christopher R.
Published: (1970)

Relation of Silurian reefs to Ordovician structure in the Patoka oil area.
by: Smoot, Thomas William
Published: (1958)