Sten, mineraler og fossiler: for alment interesserede læsere

This book presents photos of 390 palaeolithic stone artefacts collected at Stone Age sites in the Moroccan Sahara. The sites are distributed over an area of only 400 km2 and each has a description, photos of landscape and GBS coordinates. All artefacts are made of quartzite. We demonstrate that quartzite is more difficult for stone knappers than flint. The findings illustrate the returning humid periods in the palaeolithic Stone Age, which is also confirmed by our Optical Stimulated Luminescence. A complete presentation of desert stone artefacts in a local area has not earlier been presented in the literature and is of interest for archaeologists. The book begins with a summary of the origin and history of stone artefacts. The book has 390 double photos, 35 photos, 13 maps and 9 tables.

I Skandinavien, som andre steder i verden, var kryptokrystallin sten såsom flint en integreret del af menneskers liv i forhistorisk tid. Viden om flint, dens egenskaber, brug og flintens mange navne har uden tvivl været overleveret gennem generationer som en viden om dagligdagen. I dag er arkæologer interesserede i, hvordan forhistoriske mennesker brugte flint, og hvad de anså for de forskellige flinttypers styrker og svagheder. For at svare på spørgsmål om disse forhold, må vi kunne tale om flint på en videnskabeligt velfunderet måde. Scandinavian Flint foreslår en klassifikation i 17 flinttyper, og alle er analyseret ud fra spaltbarhed, begrænsninger grundet størrelse af råknolde og flintens forhistoriske tilstedeværelse, snarere end den morfologiske og kemiske komposition. Flintdannelse, geografisk spredning af flintressourcer i Skandinavien, proveniensbestemmelse og patinering diskuteres i detaljer. Scandinavian Flint er en fortrinlig guide for arkæologer, der arbejder med flint.

Guide med beskrivelse af 77 mineraler, bjergarter og fossiler.Den perfekte ledsager til ferien, både på vandreturen i fjeldene og på strande rundt i Danmark, hvor istiden og bølger har bragt stenene til os. Henvender sig både til nybegyndere og mere garvede stenentusiaster.Bogen er lamineret og tåler udendørs brug.

In its type, mesosiderite, the Chilean meteorite Vaca Muerta, is - by a wide margin - the largest ever found. This became clear to the author, when he first visited the fall-area in 1987. The book describes the conditions of find, illustrated by numerous color photographs. It also gives an account of several instances where the meteorite was mistaken for silver. One of these cases appears to involve a member of the local indigenous group, the Changos. The man, Rafael Aracena, revealed his knowledge of a rich silver-mine during a criminal trial raised against him, in 1840 - a trial that led to his conviction for murder, and subsequent execution by gunshot. While initial searches for his silver-ore were futile, it can be argued, that what he had found was indeed treasure, albeit of another kind: meteorites from cosmos.