LUTITAS BITUMINOSAS PDF

The dipteran family Dixidae is a small group of extant species of flies. They, along with two other families, are related to mosquitoes but have received little attention from modern taxonomists. The fossil record of the dixids is relatively good with 13 described species. In this study, we describe four additional extinct species from the oil shale of the 46 million-year-old Kishenehn Formation in Montana, including the first females and the only fossil species to be described from the New World.

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Forgotten your password? If you are already a registered user, you can access the restricted area using your e-mail and password. If you want to request a user ID to access the restricted area, you can do so using the registration form below. Para acceder directamente al contenido principal pulsa enter Choose a language. Search for :. Calendar News. Databases Audits Actions of the state in directing the use of oil shale. Actions of the state in directing the use of oil shale.

Environmental charges have failed to motivate entrepreneurs to pollute less or use natural resources more sustainably. Download report Audit report English The National Audit Office audited whether the following goals set in the National Development Plan for Oil Shale Use have been achieved: Has the state managed to reduce the environmental impact of mining and use and increase efficiency?

Has the state carried out the necessary studies forming input for the preparation of the new oil shale development plan? Does the state receive a fair charge for oil shale mining and use? User registration request E-mail:. Registration form. Calendar and News Calendar News. The audit carried out by the National Audit Office indicates that the goals of reducing the environmental impact of oil shale mining and use and increasing the efficiency of mining and use set in the National Development Plan for Oil Shale Use have not been achieved.

Download report.

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Lutita bituminosa

En , los EE. El programa de EE. Australia, EE. Las retortas verticales son generalmente hornos de pozo donde un lecho de pizarra se mueve de arriba a abajo por gravedad.

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Category:Oil shale

Forgotten your password? If you are already a registered user, you can access the restricted area using your e-mail and password. If you want to request a user ID to access the restricted area, you can do so using the registration form below. Para acceder directamente al contenido principal pulsa enter Choose a language. Search for :.

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La lutita es una roca sedimentaria detrítica o clástica d...

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