Kansas Kimberlites

This circular provides general information about these rare and unusual rocks found in the heartland of the United States.

Kansas Kimberlites

Kimberlite is unique because it originates over 100 miles (150 km) deep in the earth and travels in a matter of hours to the earth's surface where it forms ...

Age of emplacement of Riley County, Kansas, kimberlites and a ...

Field evidence suggests that the kimberlites of Riley County, Kansas, were emplaced into Lower Permian rocks in post-Dakota Sandstone time.

Kimberlite and Lamproite (M-118) - Overview

Kimberlite and lamproite points in Kansas from the Kansas statewide surficial geology (M-118) dataset. Published by the Kansas Geological ...

Kimberlites of Riley County, Kansas - GeoScienceWorld

KS—Kansas; NASC—North. Atlantic shale composite (Gromet et al., 1984). Page 5. Cretaceous mantle of the North American midcontinent—Kimberlites of Riley County, ...

Locations of all 12 kimberlites in Riley and Marshall Counties Kansas

The kimberlites of Riley and Marshall Counties are located just east of the mid-continent rift system in north-eastern Kansas (Fig. 1) and intrude Permian age ...

Kansas Kimberlites - Geocaching

A small hill that's darker than the surrounding land. This kimberlite has some small shrubby trees on top.

Kimberlite from Bala kimberlite, Riley County, Kansas, USA - Mindat

Kimberlite from. Bala kimberlite, Riley County, Kansas, USA ; Mindat Occurrence Record ID: · Long-form Identifier: · GUID (UUID V4): ; 1082423 · 1:3:1082423:2.

NEW DATA ON KIMBERLITES AND LAMPROITES IN EASTERN ...

International Kimberlite Conference Long Abstract. 1. NEW DATA ON KIMBERLITES AND LAMPROITES IN EASTERN KANSAS,. U.S.A.. P. Berendsen. 1. , R.L. Cullers. 2. , A ...

WHY DOES KANSAS HAVE KIMBERLITES – A REVIEW (Joint 53rd ...

The Kansas kimberlites occur within this transition zone, but they are also ~65 km west of, and sub-parallel to, the axis of the late ...

New Kimberlite Discoveries in Kansas: Magnetic Expression ... - jstor

The Kansas Geological Survey drilled three new kimberlites in 1999. They are the Baldwin Creek and Tuttle kimberlites located in Riley County.

New Kimberlite Discoveries in Kansas: Magnetic Expression and ...

The Kansas Geological Survey drilled three new kimberlites in 1999. They are the Baldwin Creek and Tuttle kimberlites located in Riley County and the Antioch ...

A note on newly discovered kimberlites in Riley County, Kansas

Hypabyssal-facies kimberlites (e.g., Swede Creek) are single-phase, finer grained rocks containing smaller xenoliths and few kimberlite indicator minerals (e.g. ...

New Kimberlite Discoveries in Kansas: Magnetic Expression and ...

The kimberlites are believed to be Late Cretaceous in age (about 90 my) and range in character from crater and diatreme facies in Riley County ...

We Mined For Garnets At A Kimberlite Pipe In Kansas ... - YouTube

Just as there are eight, diamondiferous, lamproite pipes in Pike County, Arkansas, there are thirteen, volcanic, kimberlite pipes in Riley ...

(U–Th)/He dating of kimberlites—A case study from north ... - CDN

Previous attempts to date the Kansas kimberlites used K–Ar dating of phlogopite and produced variable ages for the Stockdale kimberlite between 204±20 Ma to 380 ...

(U-Th)/He dating of kimberlites-A case study from north-eastern ...

(U-Th)/He dating of kimberlites-A case study from north-eastern Kansas. January 1, 2008. Dating kimberlite intrusive rocks by radiogenic isotope ...

THE MYSTERY OF KIMBERLITES IN KANSAS (GSA ... - Abstract

The occurrence of kimberlites is typically associated with Archean cratons, but Cretaceous-age kimberlites and lamproites are present in eastern Kansas. They ...

Stockdale kimberlite, Riley County, Kansas, USA - Mindat

Stockdale kimberlite, Riley County, Kansas, USA : ref: Am Min 61:1194 67:223 T8S R6E.

(U–Th)/He dating of kimberlites—A case study from north-eastern ...

The less common kimberlite facies in Kansas is the hypabyssal variety, in which the rock is mostly kimberlitic matrix with small phenocrysts and ...