| Authors | Year | Title | Publisher |
| Boyd FR & Brown G | 1968 | Electron-probe study of exsolution in pyroxenes | Carnegie Institution of Washington Yearbook 66, p. 353-359 |
| Brooks CK | 1968 | On the interpretation of trends in element ratios in differentiated igneous rocks, with particular reference to strontium and calcium | Chemical Geology 3, p. 15-20 |
| Brown GM | 1968 | Experimental studies on inversion relations in natural pigeonitic pyroxenes | Carnegie Institution of Washington Yearbook 66, p. 347-353 |
| Chayes F | 1968 | A least squares approximation for estimating the amounts of petrographic partition products | Miner. Petrogr. Acta A, p. 111-114 |
| Fleischer M | 1968 | Variations in the ratio Ni/Co in igneous rock series | J. Wash. Acad. Sci. 58, p. 108-117 |
| Haskin LA & Haskin MA | 1968 | Rare-earth elements in the Skaergaard intrusion | Geochimica et Cosmochimica Acta 32, p. 433-447 |
| Henderson P | 1968 | The distribution of phosphorus in the early and middle stages of fractionation of some basic layered intrusions | Geochimica et Cosmochimica Acta 32, p. 897-911 |
| Lindsley DH, Brown GM & Muir ID | 1968 | HedenbergiteSS-WollastoniteSS inversion in a Skaergaard pyroxene | Carnegie Institution Washington Yearbook 66, p. 359-363 |
| Wager LR | 1968 | Rhythmic and cryptic layering in mafic and ultramafic plutons | In: Hess H H and Poldervaart A (eds.). Basalts: The Poldervaart Treatise on Rocks of Basaltic Composition, Vol. 2. Interscience. New York & London. p. 573-622 |
| Wager LR & Brown GM | 1968 | Layered Igneous Rocks | Oliver & Boyd. Edinburgh and London. p. 588 |