Silver halide color photographic photosensitive material and image forming method utilizing the same

1. A silver halide color photographic photosensitive material including a substrate, and photographic constituent layers having at least one each of a yellow color-developing blue light-sensitive silver halide emulsion layer, a magenta color-developing green light-sensitive silver halide emulsion layer, a cyan color-developing red light-sensitive silver halide emulsion layer and a non-photosensitive hydrophilic colloid layer, wherein the at least one yellow color-developing blue light-sensitive silver halide emulsion layer includes a silver halide emulsion having a sphere-corresponding diameter of 0.7 μm or less, and a silver chloride content of 90 mol % or higher, which silver halide emulsion has been subjected to selenium and gold sensitizations, and the total gelatin amount in the photographic constituent layers is within a range from 3 to 6 g/m 2 , or the total silver coating amount in the photographic constituent layers is within a range from 0.2 to 0.5 g/m 2 .

2. A silver halide color photographic photosensitive material according to claim 1 , wherein the total gelatin amount in the photographic constituent layers is within a range from 3 to 5 g/m 2 .

3. A silver halide color photographic photosensitive material according to claim 1 , wherein the total silver coating amount in the photographic constituent layers is within a range from 0.2 to 0.45 g/m 2 .

4. A silver halide color photographic photosensitive material according to claim 1 , wherein the total gelatin amount in the photographic constituent layers is within a range from 3 to 5 g/m 2 and the total silver coating amount in the photographic constituent layers is within a range from 0.2 to 0.45 g/m 2 .

5. A silver halide color photographic photosensitive material according to claim 1 , wherein the at least one magenta color-developing green light-sensitive silver halide emulsion layer and the at least one cyan color-developing red light-sensitive silver halide emulsion layer include a silver halide emulsion having a sphere-corresponding diameter of 0.5 μm or less, and a silver chloride content of 90 mol % or higher, which silver halide emulsion has been subjected to selenium and gold sensitizations.

6. A silver halide color photographic photosensitive material according to claim 1 , wherein the silver halide emulsion included in the at least one yellow color-developing blue light-sensitive silver halide emulsion layer has a silver bromide content within a range from 0.1 to 7 mol. %.

7. A silver halide color photographic photosensitive material according to claim 1 , wherein the silver halide emulsion included in the at least one yellow color-developing blue light-sensitive silver halide emulsion layer has a silver iodide content within a range from 0.02 to 1 mol. %.

8. A silver halide color photographic photosensitive material according to claim 1 , wherein the silver halide emulsion included in the at least one yellow color-developing blue light-sensitive silver halide emulsion layer has a silver bromide content within a range from 0.1 to 7 mol. % and a silver iodide content within a range from 0.02 to 1 mol. %.

9. A silver halide color photographic photosensitive material according to claim 1 , wherein the silver halide emulsion included in the at least one yellow color-developing blue light-sensitive silver halide emulsion layer has cubic or tetradecahedral grains.

10. A silver halide color photographic photosensitive material according to claim 1 , wherein the at least one yellow color-developing blue light-sensitive silver halide emulsion includes a 6-coordination complex having chlorine, bromine or iodine as a ligand and iridium as a central metal.

11. A silver halide color photographic photosensitive material according to claim 1 , wherein the at least one yellow color-developing blue light-sensitive silver halide emulsion includes a 6-coordination complex having at least one ligand other than halogen or cyan and having iridium as a central metal.

12. A silver halide color photographic photosensitive material according to claim 1 , wherein the silver halide emulsion included in the at least one yellow color-developing blue light-sensitive silver halide emulsion layer has a sphere-corresponding diameter of 0.6 μm or less.

13. A silver halide color photographic photosensitive material according to claim 1 , wherein the silver halide emulsion included in the at least one yellow color-developing blue light-sensitive silver halide emulsion layer has been further sulfur sensitized.

14. An image-forming method for a silver halide color photographic photosensitive material including: imagewise exposing the silver halide color photographic photosensitive material according to claim 1 with coherent light of a blue light-emitting semiconductor laser with a light-emission wavelength of 420 to 460 nm.

15. An image-forming method for a silver halide color photographic photosensitive material including: imagewise exposing the silver halide color photographic photosensitive material according to claim 1 , and color-developing the silver halide color photographic photosensitive material in a color-developing time of 20 seconds or less.

16. An image-forming method for a silver halide color photographic photosensitive material including: imagewise exposing the silver halide color photographic photosensitive material according to claim 1 with coherent light of a blue light-emitting semiconductor laser with a light-emission wavelength of 420 to 460 nm, and color-developing the silver halide color photosensitive material in a color-developing time of 20 seconds or less.

17. A silver halide color photographic photosensitive material according to claim 1 , wherein the sphere-corresponding diameter of the silver halide emulsion contained in the yellow color-developing blue light-sensitive silver halide emulsion layer is 0.2 to 0.7 μm.