Browsing ELibrary by Subject "DATING"
- DSpace Home
- →
- Геология России
- →
- ELibrary
- →
- Browsing ELibrary by Subject
JavaScript is disabled for your browser. Some features of this site may not work without it.
Browsing ELibrary by Subject "DATING"
Now showing items 1-6 of 6
-
(2003)Geologic samples containing highly radiogenic Os (molybdenites and low-level, highly radiogenic (LLHR) samples) have no internal means by which to correct for mass fractionation during isotopic measurement by mass spectrometry. ...
-
(1998)Apatite (U-Th)/He apparent ages will generally reflect residence for extended periods at temperatures where helium is neither quantitatively retained nor lost by diffusion. To characterize the response of apatite He ages ...
-
(2003)The aim of this project was to study the paleomagnetic stratigraphy of the Hauterivian-Aptian deposits in the Middle Volga region, namely in the areas of the Saratov, Samara, and Uliyanovsk right-hand Volga areas. Original ...
-
(1997)Existing procedures for 230Th dating of phosphate-rich materials (bone, teeth) are labor-intensive and troubled with variable, operator-dependent results. A liquid-liquid extraction procedure was developed, using a ...
-
(2001)Useful U-Pb isotopic data may be obtained from sphene (or titanite, CaTiSiO5) because: (1) it is a widespread accessory mineral, (2) it can incorporate uranium in its structure, and (3) it has a high closure temperature. ...
-
(1985)Обсуждаются четыре способа определения возраста курумов: 1) расчетный; 2) косвенный; 3) радиоуглеродный; 4) лихенометрический. Сделан вывод, что надежность методов в целом невелика, они дают или минимальный возраст курумов ...
Now showing items 1-6 of 6